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60 Smartcard Interoperability Issues for the Transit Industry Table 13. (Continued). TRANSACTION INFORMATION RIS v. 1.0 ITSO v. 1.2 CEN v. 1.0 RKF v. 2.0 Add Value History Information LoadType ValueAPTAFlags NA NA ValueExpires EndDate NA NA AgencyID IssuerID ProductOwner NA Date DateTimeStamp Date Base datatype of Time DateTime Time DataTimeStamp NA Base datatype of DateTime RecurringAutoloadType NA NA NA SVTransaction Value NA NA SVTransactionNegative NA NA NA RegionID NA NA NA LocationID NA LocationData Place CIDTransactionNumber TransactionSequenceNumber ReceiptFlag TransactionNumber CIDID SAMID Base datatype of Device DeviceID Base datatype of SerialNumbers Transaction History Information TransactionType TransactionType NA NA In_Out NA NA NA ProdID_or_RegionID TransactionType ProductID ContractSerialNumber AgencyID SAMID ServiceOperator Basetype of CardProvider LocationID NA LocationData Place DateStamp DateTimeStamp Date Base datatype of DateTime TimeStamp DateTimeStamp Time Base datatype of DateTime TransactionLinked NA NA NA TransferStartTime NA Time Base datatype of DateTime TransValue ActualAmount FareDeducted MoneyAmount TransValueSign NA NA NA TransferCode NA NA NA Special NA NA NA from partner agencies, as determined by these settlement positions. Transaction information, at a minimum, consists of five data elements presented above and three additional data ele- ments described below: Agency Identification Number--Uniquely identifies the agency that provided the service for this transaction. The agency ID is necessary for the proper settlement of funds. Date and Time of the specific transaction--Date and time information is required to uniquely identify transactions for reporting and troubleshooting. Entry and/or Exit Location of the patron--Entry and/or exit information is required for fare calculation in distance-based or zone-based fare structures. 4.2.3 Application Layer A standard "application data element"definition does not exist today in an open, accessible form in the transit industry. However, from an information exchange perspective, the application layer for a smartcard and reader is primarily the software and/or data structure on a smartcard and reader that allows for the exchange and capture of data that will be used for clearing and settlement. The captured data are ultimately transferred from the reader through the agency's system hierarchy to another system (partner agency or central system) for clearing and settling that transaction.