Acquirer or Payment Service Provider. The organisation which holds the merchant relationship and facilitates payments on behalf of the merchant. Authorization. A request transaction captured from a merchant, merchant processor or Point-of-Sale device that requires routing to an authorizing institution for the response. Batch. Refers to a group of merchant transactions. The Gateway stops each day’s processing batch at a set time, opening a new batch for the next days transactions. Note that cutover time of the batch may not be in line with merchant operating hours. Cardholder. The customer to whom a card has been issued, the customer of the merchant. Credit/Debit Authorization. A transaction that fulfils a request to The Gateway to validate the availability of funds for payment against a line of credit or account that is accessed by a payment card (credit/debit card). Credit/Debit Authorization Request. The request portion of a Credit/Debit Authorization from the Gateway to an issuer. Credit/Debit Authorization Response. The response portion of a Credit/Debit Authorization from an issuer institution to the Gateway. Change Period. This is the period of time when scheduled changes to the Gateway systems and applications are to occur. Cutover. The action of changing from one business day to the next. Cutover is the process of rolling the business day of the Gateway systems to the next day. The cutover time can be configured to any time during a 24-hour day. Endpoint. The destination to which a financial interchange transaction is delivered, which may be connected to the Gateway. A telecommunication address that the Gateway uses to route a transaction. Establishment. Establishment is the definition, development and implementation of the specified service delivery capability. It does not imply the delivery of services to the merchants. Establishment is required prior to merchant enablement. Issuer. The institution which issues the card to the cardholder and approves the transaction from the Gateway. Merchant Administration Service. An online accessible portal for merchants to be able to manage their transactions and download reports and relevant data. Merchant Agreement. The contractual agreement between acquirers or PSPs and participating merchants for the purpose of facilitating merchant payment acceptance. Merchant Information. Information required by the Gateway from the merchant prior to enabling the merchant to use the Gateway services. Merchant Interface Software. Software integrated into the merchant’s site to enable connectivity to the Gateway. Processor. Non-bank or third-party service provider of data switching services on behalf of acquirers or PSPs within the financial interchange arena. Product Services Guide. Documentation describing the Gateway standard message formats and data flows for Credit/Debit Authorization transaction interchange. Refund. A transfer of funds from the merchant to the cardholder. Refunds must be matched to a purchase transaction and must not exceed the value of the original transaction. Routing. The act of determining the destination of a financial interchange transaction request. The Gateway routes a transaction by determining what party will receive it, and then acts upon that information to deliver the request to the determined endpoint. Settlement. The completion of a transaction or set of transactions with the aim of discharging participants’ obligations through the transfer of funds. Settlement can involve the transfer of funds from the Gateway to an acquirer or PSP or from an acquirer or PSP to a merchant. SSL. Secure Socket Layer is a data security standard which encrypts data between a web browser and a web server. Switch. A term that refers to the Gateway. Switch Cutover. The time designated to change from one business day to the next for the Gateway (see Cutover). User Accounts. Accounts provided to allow secure access to the Merchant Administration Service through the use of a user ID and password. These are Merchant User Accounts, available for use by merchants. | 
