AU2008200736A1 - Dynamic currency conversion for card payment systems - Google Patents

Dynamic currency conversion for card payment systems Download PDF

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Publication number
AU2008200736A1
AU2008200736A1 AU2008200736A AU2008200736A AU2008200736A1 AU 2008200736 A1 AU2008200736 A1 AU 2008200736A1 AU 2008200736 A AU2008200736 A AU 2008200736A AU 2008200736 A AU2008200736 A AU 2008200736A AU 2008200736 A1 AU2008200736 A1 AU 2008200736A1
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AU
Australia
Prior art keywords
currency
transaction
cardholder
merchant
card
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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AU2008200736A
Inventor
Gerard J. Barry
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ELECTRONIC TAX-FREE SHOPPING Ltd
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ELECTRONIC TAX FREE SHOPPING Ltd
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Priority claimed from AU2003252928A external-priority patent/AU2003252928B9/en
Application filed by ELECTRONIC TAX FREE SHOPPING Ltd filed Critical ELECTRONIC TAX FREE SHOPPING Ltd
Priority to AU2008200736A priority Critical patent/AU2008200736A1/en
Publication of AU2008200736A1 publication Critical patent/AU2008200736A1/en
Priority to AU2013204250A priority patent/AU2013204250A1/en
Assigned to ELECTRONIC TAX-FREE SHOPPING LIMITED reassignment ELECTRONIC TAX-FREE SHOPPING LIMITED Request for Assignment Assignors: MAINLINE CORPORATE HOLDINGS LIMITED
Abandoned legal-status Critical Current

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Description

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AUSTRALIA
PATENTS ACT 1990
NO
O
00 COMPLETE SPECIFICATION FOR A STANDARD PATENT
ORIGINAL
Name of Applicant/s: Actual Inventor/s: Address for Service is: Mainline Corporate Holdings Limited Gerard J. Barry SHELSTON IP Margaret Street SYDNEY NSW 2000 CCN: 3710000352 Attorney Code: SW Telephone No: Facsimile No.
(02) 97771111 (02) 9241 4666 Invention Title: DYNAMIC CURRENCY CONVERSION FOR CARD PAYMENT
SYSTEMS
Details of Original Application No. 2003252928 dated 10 Oct 2003 The following statement is a full description of this invention, including the best method of performing it known to me/us:- File: 34561AUP02 501452785_1.DOC/5844 00 -la- (0 TITLE OF THE INVENTION Dynamic Currency Conversion for Card Payment Systems BACKGROUND OF THE INVENTION
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Field of the Invention 00 5 The present invention relates to Card Payment Systems for use in a multi-currency environment. In particular the present invention provides systems and methods for identifying an appropriate currency for individual transactions conducted using a card payment system.
Description of the Prior Art Any discussion of the prior art throughout the specification should in no way be considered as an admission that such prior art is widely known or forms part of common general knowledge in the field.
Several types of Card Payment Systems are available, examples of which include credit cards, charge cards and debit cards.
An example structure of a Payment Card System is illustrated in Figure 1 comprising a point of sale terminal 1, an authorisation host 2, a collection/management host 3, transaction collection system 4, a treasury management office 5, a clearing bank 6, a plurality of card schemes 7, and a plurality issuers 8,9. A point of sale terminal 1, according to the prior art is shown in Figure 2, comprising means for accepting payment card details 20. Examples of such means for accepting payment card details include keyboards, magnetic swipe systems, smart card technologies and point-to-point radio transceivers (W09912136). Alternatively, the terminal may be connected to a communications net\ork, e.g. the Internet, and the means for accepting card details may comprise software which accepts card details forwarded by the cardholder in electronic form, e.g. data posted from a hyper text mark-up language (HTMIL) form.
00 2 A flowchart demonstrating a typical payment transaction as shown in Figure 3, commences with entry of a payment card's details 30, the terminal makes a connection 31 with the authorisation host using its communications hardware and software 22.
Typically, this connection 10 is made over a public telephone network or wireless link, any other communications may be used e.g. the Internet. Information concering the
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IN card details and if required the transaction are passed 32 to the authorisation host. The authorisation host checks 33 to confirm that the card details are valid and that the transaction is permitted. If the card details are valid and the transaction value is Spermitted, the authorisation host sends 34 an authorisation code to the point of sale terminal which then allows 35 the transaction to proceed. Typically a transaction slip is printed 21 for signature by the cardholder, whereas for an Internet transaction a conformational HTML page or e-mail may be forwarded to the cardholder. Optionally.
some systems may provide an option 36 enabling a merchant to cancel 37 a transaction at this stage. If the authorisation host decides that the card details are invalid ur that the transaction is not permitted then no authorisation code is given and the authonsation host informs 39 the terminal that the transaction is not allowed to proceed. The terminal typically outputs 40 an error message to this effect.
If approved and the transaction is completed, then details of the transaction are stored 38 in the terminal 1 in a transactions table 23.
As required, the terminal connects with the collection host as illustrated in Figure 4 over a communications link 11 and transmits details 43 from the transactions table 1 to the collection host 3. The terminal typically prints a report 44 for the terminal user detailing transactions transmitted. Once all of the transaction details have been communicated the terminal disconnects from the collection host The terminal is typically controlled by software 24 which is configurable it different situations by means of an alterable confi2uration file 00 3
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The transaction details contained in the transaction table are subsequently Scommunicated from the collection host to a transaction collection host 4 which in turn passes these details onto a clearing bank 6. The clearing bank 6 then sorts the transaction details according to the card scheme used for a transaction. The transaction N details are then forwarded to the appropriate card scheme 7, which sorts the transactions according to the card issuers, with transactions concerning a given issuer being passed Sonto that issuers computer system 8, 9. The issuers in turn assign the details of 00 Stransactions against a particular card to that card holders account.
An alternative system provides an intermediary called a central payment router which acts as an interface between one or more terminals and the collection and/or authorisation host. This alternative system is typically used in larger retail outlets where there are a large number of terminals. The use of a central payment router provides for greater efficiency, lower overall cost and permits the central collection of transaction details for a merchant, as details do not have to be accumulated manually from each individual terminal.
The exact method or system of conducting or processing transactions may vary considerably from card system to card system, bank to bank or country to country. For example, frequently the authorisation host and collection host are one and the same.
Examples of various apparatus, systems and methods for handling card payment transactions include US5678010, US5671285, US5661517, US5448047, US5416306, US5287268, US3723655, US4961142, US4962531, US05386458 and US5826245.
In general, transactions involving a card payment are conducted in the currency of the merchant. Accordingly, if a credit card is used for a purchase in the USA, the currency of the transaction will probably be USS. This restriction can be inconvenient for cardholders travelling abroad, as they are unsure of the exact value (in their own currency) of the transaction.
00 4 4 Cq Furthermore, with the introduction of the EURO, the potential for conducting transactions in the multi-currency environment has increased. Each country participating in the European Monetary Union (EMU) will have in co-existence two
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CC, currency units the EURO and the national currency for a transition period. As the transition period is quite long, it is inevitable that different issuers and merchants will convert their base currency from the national currency unit to the EURO at different 00 times, with the inevitable result that merchant and consumers may be using different 10 currencies. In addition, the growth of Internet commerce permits consumers to purchase from a greater variety of sources than was previously available. A large proportion of these on-line transactions will be conducted in currencies other than that of the cardholder.
Accordingly, it would be advantageous if a cardholder could view and/or make payments in their home currency rather than the currency of the merchant with whom they are conducting the transaction.
A variety of point of sale and other systems are available which permit multicurrency transactions in which the cardholder may conduct the transaction in the currency of their choice. For example, the Trintech Group(Dublin) provide a compact point of sale terminal and system which facilitates payment by the customer in the currency of their choice at the point of sale. A problem with these existing systems is that the merchant must enter the desired currency for the transaction into the system. In order to do this the merchant must determine the currency of the cardholder and check to see if this currency is permitted. This involves the merchant looking at the card and/or cardholder and attempting a determination of what country the cardholder is from. This determination requires action and some intelligence on the part of the merchant. In addition, with the advent of the Internet the point of sale is the computer, no human merchant may be involved and the payment card is not available for 00 CN inspection, This also applies for transactions conducted from a distance by other means, e.g. fax or phone.
Accordingly, it would be an advantage if a method and system could be s provided for determining the currency of a cardholder at the point of sale automatically, Cusing only a payment card's details.
C-K US5,842,185 discloses a system and method for automatically entering financial 00 transactions such as credit card transactions into a financial account stored in a C, 10 computer. A financial statement incorporating the transactions is provided in an electronic form understood by the computer, such as a computer data file, for updating the financial account. For a credit card account, the electronic statement includes one or more credit card transactions such as purchases. Before accepting the electronic statement, the process verifies that the electronic form of the statement has not been altered since its creation and therefore correctly reflects transactions in the original statement. In the process of entering the transactions, they are tracked by automatically assigning them to expense categories. First the process determines from the electronic statement if a payee for a transaction is of record in the computer and, if so, assigns the transaction to a category already associated with the payee. If not, the process next determines from the electronic statement a merchant category code such as a Standard Industry Code (SIC). The merchant category code is associated with a category recognised by the computer, and the transaction is assigned to the recognised category.
If no recognised category exists, the process prompts the user for a category to which the transaction can be assigned.
WO 97/04411 describes a system and method for allowing funds to be transferred instantly to an account so that the funds are available to the benificiary at the time they are sent, based on customer information which can be automatically accessed by the system, rather than needing to be manually entered. Further, the system automatically computes the appropriate exchange rate and any fees to be charged to the account and 00 The system also analyses the parameters of the transfer to assure that the transfer r conforms with pertinent government regulations, The system also enables the user to quantify the amount to be transferred in the currency of the originating account or the currency of the receiving account, thereby maximising the flexibility of the system. The system further is designed so that it can be understood and accessed by individuals having no special expertise in computers, wire transfers and the like.
~WO 95/12169 describes a process which provides electronic access to pre-paid funds for cash or payment for goods and services, in which a card is issued to a customer with a value selectable by the customer. The card has a magnetic stripe with an encoded 00 card number including a bank identification number (BIN) and an account number. The c central card processor establishes a zero balance database including the card numbers, but with blank fields for the customer data and the value of the account. When a customer purchases a card, the sales agent transmits to the central database computer which fills in the blanks in the database, activating the account.
It is an object of the present invention to overcome or ameliorate at least one of the disadvantages of the prior art, or to provide a useful alternative.
BRIEF SUMMARY OF THE INVENTION Accordingly, a first aspect of the present invention provides a data processing method for determining a currency for association with charge, debit or credit card transaction between a merchant and a charge, debit or credit card cardholder comprising the steps of: obtaining the card number of the card from the cardholder, wherein the method further comprises the steps of: identifying an identifier code from said card number, determining a currency code for said identifier code, by comparing said identifier code with entries in a table, wherein each entry in the table contains an issuer identifier code or range of issuer identifier codes and a corresponding currency code, and matching the identifier code with a table entry, and setting the currency corresponding to the currency code of the matching entry for association with the card transaction as the determined operating currency for the identified identifier code; or setting the default currency of the merchant for association with the card transaction when no operating currency can be determined for the identifier code.
5b 00 O A second aspect of the present invention provides a system for use with a charge, N debit or credit card transaction between a merchant and a charge, debit or credit card cardholder; having means for obtaining the card number of the card from the cardholder, wherein the system has means for determining a currency for association with the transaction comprising: means for identifying an identifier code from said card number; means for determining a currency code for said identifier code, by comparing said "I identifier code with entries in a table, wherein each entry in the table contains an issuer 00 identificr code or range of issuer identifier codes and a corresponding currency code, and matching the identifier code with a table entry, means for setting the currency corresponding to the currency code of the matching entry for association with the card transaction as the determined operating currency for the identified identifier code; and means for setting the default currency of the merchant for association with the card transaction when no operating currency can be determined for the identifier code.
A third aspect of the invention provides a computer program encoding a set of computer instructions for determining a preferred currency for association with a card transaction between a merchant and a cardholder, which when running on a data processing system is adapted to perform the method according to the first aspect of the invention.
A fourth aspect of the invention provides a computer usable storage medium having encoded thereon data and computer instructions for determining a preferred currency for association with a transaction between a merchant and a cardholder, for causing a data processing system to implement the method according to the first aspect of the invention.
Thus the method for determining a preferred currency for association with a payment card transaction between a merchant and a payment card cardholder comprises the steps of obtaining the card number of the payment card from the cardholder, identifying an issuer code from said card number, determining the operating currency for said 00 6 issuer code, and setting the currency for association with the payment card transaction as the determined operating currency for the issuer code.
The step of determining the operating currency for the issuer code preferably comprises the step of comparing the issuer identifier code with entries in a table. The IN table may contain a number of entries, each entry in the table containing an issuer code and a corresponding currency code. Alternatively, the entries may define ranges of issuer codes, with each range of issuer codes having a corresponding currency code.
00 The preferred currency is optionally set to default currency of the merchant when no operating currency can be determined for the issuer code.
The card holder may be prompted as to whether the transaction is to be conducted in the preferred currency. This prompting may comprise converting the transaction amounts to equivalent amounts in the preferred currency and presenting these amounts for review by the cardholder and/or presenting an exchange rate to the cardholder, said exchange rate corresponding to a rate between the merchants' currency and the preferred currency. If the cardholder indicates that the transaction is to proceed in the preferred currency, the transaction is processed in the preferred currency and/or if the cardholder indicates that the transaction is not to proceed in the preferred currency, the transaction proceeds in the merchants currency.
One or more of the transaction amounts may be converted to an equivalent amount in the preffered currency and presented to the cardholder. An exchange rate corresponding to a rate between the merchants' currency and the preferred currency may also be presented to the cardholder. These transaction details may be presented along with or instead of the merchants currency to the cardholdcr. The transaction details may be presented to the cardholder after cardholder approval has been obtained for the transaction and/or beforehand. In either case the amounts presented may he for information purposes only for the cardholder, based on nominal exchange rates.
00 0 7 Optionally, an initial check may be made to determine if the transaction amount exceeds a predetermined minimum level for processing in an alternative currency to that of the merchants currency.
S Preferably, the steps of the method of the invention are performed substantially C in an automatic fashion without input from the terminal operator.
SThe method is suitable for implementation on a payment card terminal, 00 Sauthorisation host, a central payment router or a combination of these devices.
CI The above method may also be extended to payment card transactions made over a computer network, for example the Internet, for example for e-commerce type transactions.
In one embodiment an apparatus is provided having means for determining a preferred currency for association with a payment card transaction between a merchant and a payment card cardholder, said means comprising; means for obtaining the card number of the payment card from the cardholder, means for identifying an issuer code from said card number, means for determining the operating currency for said issuer code, and means for setting the currency for association with the payment card transaction as the determined operating currency for the issuer code.
The apparatus further comprises means for comparing said issuer identifier code with entries in a table. Each entry in the table may contain an issuer code and a corresponding currency code. AJlematively, the entries in the table may define a range of issuer codes, with each range of issuer codes having a corresponding currency code.
The apparatus may comprise means for setting the preffered currency to the default currency of the merchant when no operating currency can be determined for the issuer code.
00 S8 A prompting means may be provided for prompting the cardholder as to whether Sthe transaction is to be conducted in the preferred currency. This prompting means may comprise conversion means for converting the transaction amounts to equivalent amounts in the preferred currency and presenting these amounts for review by the IN 5 cardholder. The prompting means may optionally further comprise a means for ~presenting an exchange rate to the cardholder, the exchange rate corresponding to a rate between the merchants' currency and the preferred currency.
00 An additional means may be provided for accepting an indication from the cardholder as to whether the transaction is to proceed in the preferred currency and means for permitting the transaction to be processed in the preferred currency if such an indication is received and/or permitting the transaction to be processed in the merchant's currency if no such indication is received.
Preferably, the apparatus is adapted to present at least one of the transaction amounts in an equivalent amount in the preffered currency to the cardholder and/or with an exchange rate corresponding to a rate between the merchants' currency and the preferred currency.
The apparatus may be adapted to present these details to the cardholder before and/or after cardholder approval has been obtained for the transaction.
Optionally, means may be provided for initially checking to determine if the transaction amount exceeds a predetermined minimum level for processing in an alternative currency to that of the merchants currency.
The apparatus may be implemented in a variety of embodiments, for example within a payment card terminal, a central payment router, an authorisation host, an authorisation host in co-operation with a payment card terminal, or an authorisation host in co-operation with a payment router.
00 -9- In one embodiment, the apparatus comprises means for connecting to a node in a Scomputer network. Preferably in this embodiment, the card number is received via the _computer network. This embodiment is particularly suited to e-commerce type transactions.
5 According to the invention, there is provided a method and system for determining e¢3 the currency of a cardholder at the point of sale automatically.
According to the invention, there is provided a transaction capture system for 00 payment cards which automatically converts the transaction currency to that of the card issuer's currency.
Unless the context clearly requires otherwise, throughout the description and the claims, the words 'comprise', 'comprising', and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is to say, in the sense of "including, but not limited to".
BRIEF DESCRIPTION OF THE DRAWINGS A preferred embodiment of the invention will now be described, by v. ay of example only, with reference to the accompaning drawings in which: Figure 1 shows a block diagram ofa payment card scheme arrangement according to the prior art.
Figure 2 is a payment card point of sale terminal according to the prior art.
Figure 3 is a flowchart demonstrating a typical authorisation request procedure according to the prior art.
Figure 4 is a flowchart illustrating a typical procedure for communicating transaction details to a collection host according to the prior art.
Figure 5 is a flowchart of a method according to the present invention.
Figure 6 depicts an example of a bank reference table according to the present invention.
Figure 7 illustrates a point of sale terminal according to the invention for use in a retail outlet.
Figure 8 is a flowchart showing the steps of a method according to an embodiment of the present invention performed on a point of sale terminal as shown in Figure 7.
Figure 9 is a flowchart of a 'batch-in' process according to an embodiment of the invention for use with a point of sale terminal as shown in Figure 7.
00 O Figure 10 is a flowchart illustrating the steps of another method for determining C1 as associated currency and processing same according to the present invention.
C4 DETAILED DESCRIPTION OF THE DRAWINGS A flowchart of the operation of the present invention is illustrated in Figure 5, in INDwhich an identifier code is extracted 50 from the payment card details. In the preferred embodiment, the identifier code consists of a portion of the payment card number.
00 10 Typically, payment card issuers are assigned a range of card numbers for issuing cards to customers. For example a small bank may be assigned the range 4555999033300000 to 45550999033399999, whereas a larger bank may be assigned 4555998800000000 to 4555998819999999.
The identifier code is compared 51 with entries in a bank reference table (an example of which is shown in Figure which contains a list of issuer identifier codes.
Each issuer identifier code 60(1-n) in the table has an associated entry 61(1-n) containing an associated currency, which corresponds to the currency of payment of cardholders accounts of the issuer. For example, if the issuer is an Irish Bank then the associated currency may be Irish Pounds or EUROs, similarly if the issuer is a UK bank then the associated currency is probably pounds Sterling. The bank reference table may be created from a number of sources, including the card scheme administration organisations or from data collected from a large number of cardholders.
If no entry is found in the bank reference table for the identifier code of the issuer of the card, then the transaction will be processed 53 as before in the prior art. If an entry is found for the identifier code, the associated currency corresponding to the issuer code is extracted and the transaction is processed with enhanced functionality 54 using the associated currency. A variety of enhancements are available, when the currency of the payment cardholders account is known.
00 11 For example, the transaction may be processed in the associated currency, the transaction amount in the associated currency may be shown to the customer for informational purposes, a receipt could be printed showing the local currency amount and the associated currency equivalent, or a combination.
0 If the enhancements are performed at the terminal and involve a currency C2 conversion, then currency exchange rates will be required. These currency exchange 00 Srates may be stored at the terminal and updated as required or they may be obtained CK 10 from elsewhere, for example the authorisation host.
These enhancements may be provided as optional features, for example the merchant could inform the cardholder that the transaction may be conducted in the associated currency if desired. If the cardholder then so elects, then the transaction may be processed in the associated currency, otherwise the transaction is processed in the merchants currency. Alternatively, the enhancements could be made mandatory in the sense that the enhancements are performed in all cases. The cardholder is not given a choice.
Furthermore, the steps of the method illustrated in Figure 5 may be implemented at several different stages of the transaction. For example, the steps of extraction determination 51,52 and processing with enhancements 54 may be performed before the terminal connects to the authorisation host 2 (if the terminal connects to the authorisation host at all) or at any stage thereafter prior to completion of the transaction.
Similarly, the steps of extraction 50, determination 51,52 and processing with enhancements 54 may be performed at the terminal, at the authorisation host, or at a combination of the two, for example the terminal may identify the associated currency and the authorisation host may perform the enhanced processing or vice versa.
00 12 SIt will be understood therefore that the software and/or hardware for performing 1) the steps according to the invention may be located at a terminal, payment router or an authorisation host or any combination of these.
An example of a point of sale terminal according to one embodiment of the invention embodiment is illustrated in Figure 7. The terminal 70 is suitable for use in t"- 0 the retail environment, e.g. shops, restaurants and hotels. The terminal 70 permits a CN merchant to offer a cardholder the option to pay for goods and/or services in the 00 Scurrency of the cardholder's card. The terminal 70 records the amount due to the C1 10 merchant in their domestic currency. The terminal 70 then forwards the transactions for settlement to the appropriate settlement partner. In the event that the terminal 70 is unable to determine the currency of a card, the transaction will be processed in the currency of the merchant.
The terminal comprises a magnetic strip reader 71: an Alphanumeric and Function Keypad 72, a Display Unit 75, and a Receipt Printer 74 for printing receipts 73. Card details are entered either by swiping a payment card through magnetic strip reader 71 or using the keypad 72. Transaction details are entered using the keypad 72.
Optionally, a Personal Identification Number (PIN) key pad (not shown) may he provided to allow a cardholder to enter a password. Internally, the terminal has suitable electronic circuitry for operating the terminal, typically comprising a Modem, a Power Supply Unit, Microprocessor, RAM and ROM Memory.
The circuitry and elements are preferably arranged to produce a terminal that has a small footprint and is compact.
The terminal software comprises of code which carries out the following functions: modem control, card reading, operator interface. authorisation. abbreviated bank reference table management: currency rate management. terminal configuration, pinter control, authorisation/collection host communication. reporting and batching.
00 13 The modem control function is responsible for formatting data for transmission, removing formatting from received data, and operating the modem. The card reading function receives data from the magnetic strip reader and extracts the card details from this data. The operator interface receives data from the keypads, responds to the data and outputs messages to the display unit when required. The authorisation function is C responsible for generating and sending an authorisation request to the authorisation host 0 and for processing an authorisation or rejection code received from the host. The bank C reference table is a table that stores the leading digits of individual issuers of 00 Scredit/debit cards in the world and identifies an associated currency code for each C 10 issuer. The currency rate management is responsible for determining an appropriate exchange rate for a transaction and for maintaining a table of exchange rates. The terminal configuration function is used to enable a terminal to be configured for individual merchants, locations different merchants, etc. by permitting modification of a number of parameters. Examples of these parameters may include one or more of the following; Minimum Transaction Value for Conversion, Maximum Transaction Value for Conversion, Authorisation Limit/ Floor Limit, Correct Date, Correct Time, Maximum Time between Batch-Ins, Host Identification Number, l s System Host Telephone Number, 2 'd System Host Telephone Number, 1 st Authorisation Telephone Number, 2°d Authorisation Telephone Number, Next System Batch Number, Modem Speed, Base Currency Code, Merchant Master Number, Merchant Currency Numbers and Terminal Identification code. In order to operate correctly the terminal must be configured with all of these parameters. However, the terminal may operate in a limited fashion if a reduced number of parameters have been entered. Additional parameters to process an individual transaction may also have to be stored before the transaction may be processed, e.g. an appropriate Bank reference Table and/or the currency rates for the transaction date. The printer control function formats data and outputs the formatted data to the printer as required. The authorisation/collection host communication function controls the interaction of the terminal with authorisation and communication hosts. The reporting and batching function stores the transactions as they are entered and the collates them and forwards the resulting collated data to the collection host when the collection host is connected to the terminal.
00 14 (1 In order for the terminal to operate properly, one or more of the following may be required; a connection to a standard PSTN dial-out telephone line, paper in the printer, an operating environment which is dry and of normal humidity and a connection to a mains supply voltage.
O In operation, the terminal initially connects to a host and downloads the latest version of the terminal software as well as its standard configuration information. As 0 soon as this download is complete the terminal will automatically dial the C,1 10 authorisation/collection host and collect the latest version of the bank reference table.
The terminal downloads the currency rates to be applied over a future period. For each currency that the system is to convert a date, currency code and rate are downloaded. A report detailing rates received is printed. Once these tables have been received the system is ready to process transactions.
A typical transaction cycle is now described, commencing when the cardholder offers their payment card to the merchant as a means of payments for goods or services.
The merchant typically swipes 205 the card in the magnetic stripe reader of the point of sale terminal. The reader extracts 205 the card number, expiry date and the name of the cardholder from the card.
The terminal software searches through the bank reference table and checks 210 for an entry corresponding to the issuer code obtained from the card number. If an entry is found the currency for the transaction is set 215 to that of the payment card. If no entry in the bank reference table is found the currency is set 220 to that of the merchant.
The terminal then requests 225 the amount of the transaction in the currency of the merchant which is keyed in using the numeric keypad. Alternatively, a connection may be provided to a cash register or other device to obtain directly the transaction total.
00 Optionally, the system may check to determine whether the transaction value in the merchant's currency is within the minimum 240 and maximum range 230 contained in the system's configuration table. If the amount falls within the range it is processed in the cardholder's currency 245. If it is above or below the limit it is processed in the currency of the merchant 255.
0 0merchant's currency, the terminal 70 displays 265 the cardholder's currency code, the C- 10 currency conversion rate and the amount in the cardholder's own currency. The cardholder decides 270 whether to consent to or reject the offer. If the offer is rejected the system may revert 255 to the merchants currency amount. The cardholder may cancel the entire transaction, regardless of whether the transaction is processed in the merchant's or cardholder's currency, as in existing systems.
If the cardholder consents, the transaction will be processed 275 in the currency of the card holder.
After determining the currency of the transaction, the terminal proceeds to determine if an authorisation code is required (not shown). This is determined by comparing the value of the transaction in the merchants currency against a preconfigured floor limit. If the value of the transaction is above the floor limit an authorisation code is sought.
The terminal system software initiates the modem and obtains a dial-out line and attempts to call the 1 S1 authorisation host number. If a connection is not received after a pre-configured number of attempts the system will attempt to place the call using the 2° authorisation host number.
If no connection is obtained to either authorisation host the transaction is rejected and a printed slip detailing the failure to connect to the host is produced.
00 16 If a connection to an authorisation host is made, the communications software within the terminal establishes its identity with the authorisation host using industry standard protocols for such communications. The terminal transmits the identity of the terminal, the card number, The merchant number for that currency and the value. The Cauthorisation host can reject the transaction or respond with an authorisation number which is received and stored by the system. Once the authorisation code has been received the system disconnects from the host and produces 260 a transaction slip 00 0 typically detailing the following; name and address of the merchant, merchant ID, C-,i 10 terminal number, date time of the transaction, cardholder's card number, authorisation code, transaction values in the merchant currency, transaction value in cardholder's currency, and an area upon which the cardholder must sign consenting to the transaction. Similar details excluding the space for signature are stored in the transaction table.
A copy is produced for the merchant and the cardholder. After which, the transaction is completed between the cardholder and the merchant.
At the end of each day the merchant can press a key to instruct the terminal to carry out a 'Batch-In' of the accumulated transactions to the collection host, the process of which is illustrated in Figure 9, i.e. forward details of the transactions that have accumulated since the previous 'Batch-In' to the collection host. If the merchant does not manually request a 'Batch-In' process, a pre-configured parameter will detect the absence of a 'Batch-In' and will automatically initiate 300 a 'Batch-In', the first step of which involves connecting 301 to the collection host.
During a 'Batch In', any transactions which have been processed by the terminal are collated and transmitted 302 to the collection host and a report is printed 303 summarising the transactions which have been forwarded in the transmission.
00 17 It will be appreciated by those skilled in the art, that in order to forward the transaction details to the clearing bank, some processing will be required to convert the details into a form which is usable by the clearing bank. This processing may be
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Cc, performed at the collection host or alternatively data may be forwarded to a back office for processing, illustrated as the transactions collection system in Figure 1.
00 When the transaction have been successfully transmitted, the terminal will seek 10 304 any amendments to the bank reference table. Additions and deletions to the bank reference table are received and processed by the terminal.
After the bank reference table has been appropriately modified 305 the terminal will seek to update 307 its currency rates by obtaining 306 revised rates from the collection host. This update 307 will remove any expired rates and receive any new future rates. When the rates have been updated, a print out 308 is made of the new rates to be applied to future transactions.
At this point the terminal will disconnect 309 from the collection host. The batch-in is completed 310 and the terminal is ready to process further transactions.
An alternative embodiment is where the determination of the currency for a transaction is performed on the authorisation host. A flowchart of a method according to this embodiment is shown in Figure 10. The operation is started 400 when a connection is made by a terminal to the authorisation host. Once a valid connection has been established, the terminal forwards 405 an authorisation request, containing card detaiis and the transaction amount, to the authorisation host. The authorisation host 00 18 CK checks 410 to determine whether the transaction is to be authorised or not, if the transaction is not permitted a cancellation code is sent 415 to the merchant's terminal which prints 420 a transaction slip showing that the transaction is not permitted. If the transaction is authorised, the authorisation host extracts the issuer code from the payment card details and checks 425 the extracted issuer code against entries in the e¢ bank reference table. If no entry is found in the bank reference table or if the currency associated with the issuer is the same as that of the merchant then the transaction details Sare unchanged and forwarded 435 back to the terminal along with the authorisation 00 code. Alternatively, the host may simply send the authorisation code as the terminal C 10 already has the transaction details. If an entry is found in the bank reference table and the currency associated with the issuer is different from that of the merchant, the transaction amount is converted 420 to an equivalent amount in the associated currency. This converted amount and the associated currency code are forwarded 435, along with an authorisation code to the terminal. Optionally, the currency exchange rate used may also be forwvarded. The terminal prints a transaction slip 440 showing the transaction amount in the associated currency and the associated currency code, which may be signed by the cardholder. The transaction slip may also show the merchants currency equivalent and the currency exchange rate used.
As with the previous embodiment, the terminal subsequently connects to the connection host and performs a batch-in.
It will be apparent to the skilled person in the art that the present invention can be implemented in mbst payment card systems and that the currency identification can be implemented at different stages of transactions. Accordingly, the foregoing description is by way of example only and is not intended as limiting. The present invention is only limited by the claims appended hereto and their equivalents.

Claims (28)

1. A data processing method for determining a currency for association with charge, C debit or credit card transaction between a merchant and a charge, debit or credit card cardholder comprising the steps of: obtaining the card number of the card from the cardholder, wherein the method IND further comprises the steps of: identifying an identifier code from said card number, Sdetermining a currency code for said identifier code, by comparing said identifier 00 10 code with entries in a table, wherein each entry in the table contains an issuer identifier code or range of issuer identifier codes and a corresponding currency code, and matching the identifier code with a table entry, and setting the currency corresponding to the currency code of the matching entry for association with the card transaction as the determined operating currency for the identified identifier code; or setting the default currency of the merchant for association with the card transaction when no operating currency can be determined for the identifier code.
2. A data processing method according to claims 1, wherein the cardholder is prompted as to whether the transaction is to be conducted in the determined operating currency.
3. A data processing method according to claim 2, wherein said prompting comprises the additional step of converting the transaction amounts to equivalent amounts in the determined operating currency and presenting these amounts for review by the cardholder.
4. A data processing method according to claim 3, further comprising the step of presenting an exchange rate to the cardholder, said exchange rate corresponding to a rate between the merchant's currency and the determined operating currency. 00 A data processing method according to claim 4, wherein if the cardholder indicates N that the transaction is to proceed in the determined operating currency, the transaction is Sprocessed in the determined operating currency.
6. A data processing method according to claim 4, wherein if the cardholder indicates that the transaction is not to proceed in the determined operating currency, the C€ transaction proceeds in the merchant's currency. S7. A data processing method according to claim 1, wherein at least one of the 00 transaction amounts is converted to an equivalent amount in the detennined operating i currency and is presented to the cardholder.
8. A data processing method according to claim 7, further comprising the step of presenting an exchange rate to the cardholder, said exchange rate corresponding to a rate between the merchant's currency and the determined operating currency.
9. A data processing method according to claim 8, wherein the transaction details in the merchant's currency are also presented to the cardholder.
10. A data processing method according to claim 9, wherein the transaction details are presented to the cardholder after cardholder approval has been obtained for the transaction.
11. A data processing method according to claim 10, wherein the transaction details are presented to the cardholder prior to cardholder approval of the transaction.
12. A data processing method according to claim 1, further comprising the step of initially checking to determine if the transaction amount exceeds a predetermined minimum level for processing in an alternative currency to that of the merchant's currency.
13. A system for use with a charge, debit or credit card transaction between a merchant and a charge, debit or credit card cardholder; -21- 00 O having means for obtaining the card number of the card from the cardholder, wherein the system has means for determining a currency for association with the Stransaction comprising: means for identifying an identifier code from said card number; means for determining a currency code for said identifier code, by comparing said identifier code with entries in a table, wherein each entry in the table contains an issuer identifier code or range of issuer identifier codes and a corresponding currency code, and Smatching the identifier code with a table entry, i means for setting the currency corresponding to the currency code of the matching 00 entry for association with the card transaction as the determined operating currency for i the identified identifier code; and means for setting the default currency of the merchant for association with the card transaction when no operating currency can be determined for the identifier code.
14. A system according to claim 13, further comprising prompting means for prompting the cardholder as to whether the transaction is to be conducted in the determined operating currency. A system according to claim 14, wherein said prompting means further comprises conversion means for converting the transaction amounts to equivalent amounts in the determined operating currency and presenting these amounts for review by the cardholder.
16. A system according to claim 15, wherein said prompting means further comprises means for presenting an exchange rate to the cardholder, said exchange rate corresponding to a rate between the merchant's currency and the determined operating currency.
17. A system according to claim 16, further comprising means for accepting an indication from the cardholder as to whether the transaction is to proceed in the determined operating currency and means for permitting the transaction to be processed in the determined operating currency if such an indication is received. -22- 00 o 18. A system according to claim 17, further comprising means for permitting the transaction to be processed in the merchant's currency if no such indication is received.
19. A system according to claim 13, further comprising conversion means for converting at least one of the transaction amounts to an equivalent amount in the determined operating currency and presenting this converted amount to the cardholder. A system according to claim 19, wherein the conversion means further comprises rmeans for presenting an exchange rate to the cardholder, said exchange rate 00 corresponding to a rate betwccn the merchant's currency and the determined operating C currency.
21. A system according to claim 20, wherein the conversion means is adapted to present the transaction details to the cardholder after cardholder approval has been obtained for the transaction.
22. A system according to claim 20, wherein the conversion means is adapted to present the transaction details to the cardholder prior to cardholder approval of the transaction.
23. A system according to claim 22, further comprising means for initially checking to detenrine if the transaction amounts exceeds a predetermined minimum level for processing in an alternative currency to that of the merchants currency.
24. A system according to claim 13, wherein said system is a card terminal. A system according to claim 13, wherein said system is a central payment router.
26. A system according to claim 13, wherein said system is an authorisation host.
27. A system according to claim 13, wherein said system is implemented using an authorisation host in co-operation with another system selected from the group comprising 23 00 0 a card terminal and N a central payment router.
28. A system according to claim 13, further comprising means for connecting to a node in a computer network.
29. A system according to claim 28, wherein the card number is received via the Scomputer network. 00
30. A computer program encoding a set of computer instructions for determining a N preferred currency for association with a card transaction between a merchant and a cardholder, which when running on a data processing system is adapted to perform the method as claimed in any one of claims I to 12.
31. A computer usable storage medium having encoded thereon data and computer instructions for determining a preferred currency for association with a transaction between a merchant and a cardholder, for causing a data processing system to implement the method as claimed in any one of claims 1 to 12.
32. A data processing method for determining a preferred currency for association with charge, debit or credit card transaction between a merchant and a charge, debit or credit card cardholder substantially as herein described with reference to any one of the embodiments of the invention illustrated in the accompanying drawings and/or examples.
33. A system for use with a charge, debit or credit card transaction between a merchant and a charge, debit or credit card cardholder substantially as herein described with reference to any one of the embodiments of the invention illustrated in the accompanying drawings and/or examples.
34. A computer program encoding a set of computer instructions for determining a preferred currency for association with a card transaction between a merchant and a cardholder substantially as herein described with reference to any one of the -24- 00 embodiments of the invention illustrated in the accompanying drawings and/or C examples. A computer usable storage medium having encoded thereon data and computer instructions for determining a preferred currency for association with a transaction between a merchant and a cardholder substantially as herein described with reference to any one of the embodiments of the invention illustrated in the accompanying drawings and/or examples. 00 0', 0',
AU2008200736A 1999-07-12 2008-02-14 Dynamic currency conversion for card payment systems Abandoned AU2008200736A1 (en)

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AU2008200736A AU2008200736A1 (en) 1999-07-12 2008-02-14 Dynamic currency conversion for card payment systems
AU2013204250A AU2013204250A1 (en) 1999-07-12 2013-04-12 Dynamic currency conversion for card payment systems

Applications Claiming Priority (3)

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IE990584 1999-07-12
AU2003252928A AU2003252928B9 (en) 1999-07-12 2003-10-10 Dynamic currency conversion for card payment systems
AU2008200736A AU2008200736A1 (en) 1999-07-12 2008-02-14 Dynamic currency conversion for card payment systems

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2018200622B2 (en) * 2008-08-04 2019-10-10 Visa U.S.A. Inc. Application currency code for dynamic currency conversion transactions with contactless consumer transaction payment device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2018200622B2 (en) * 2008-08-04 2019-10-10 Visa U.S.A. Inc. Application currency code for dynamic currency conversion transactions with contactless consumer transaction payment device

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