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    Incremental authorization transaction

    Incremental authorization request message (from ECR)

    PosLengthTypeContent
    18NTerminal ID (00000000-99999999)
    91AReserved – fixed to ‘0’ (0x30)
    101AMessage code: ‘i’ (0x69)
    118NCash register ID
    191NPresence of message with additional data for the GT:
    • ‘0’ = additional data message not present
    • ‘1’ = additional data message present
    204NReserved – fixed to ‘0’ (0x30)
    248NAuthorization transaction amount, right aligned, filled with ‘0’ (0x30) on the left. Amount is always considered to be expressed in cents (e.g. 650 = 6,50)
    32128ANText to be print (Code contract) at the end of the payment receipt. The field is always 128 chars long, it’s right aligned, filled with ‘ ‘ (0x20) on the left. The terminal shall only print valid chars, skipping the blanks.
    1609NUnique identifier of the pre-authorization received from Host and printed on the pre-authorization receipt issued by the terminal (Original Preathorization Code)
    1698NReserved – fixed to ‘0’ (0x30)

    Incremental authorization response message (from Terminal)

    PosLengthTypeContent
    18NTerminal ID (00000000-99999999)
    91AReserved – fixed to ‘0’ (0x30)
    101AMessage code: ‘i’ (0x69)
    112NTransaction result:
    • “00” = OK
    • “01” = KO
    • “09” = received unknown tag from GT
    1319NCard PAN, right aligned, filled with ‘0’ (0x30) on the left. The PAN is sent following PAN truncation rules.
    323ATransaction type:
    • “ICC” = ICC card
    • “MAG” = magnetic stripe card
    • “MAN” = manual PAN entry
    • “CLM” = c-less magstripe
    • “CLI” = c-less ICC
    3511NAcquirer ID. The field is left-aligned with filler Blank on the right.
    466AAuthorization code received from host
    526NSTAN. Transaction sequence number.
    586NID online. Online operation progressive number.
    647ATransaction date and time received from host in DDDHHMM. The day is expressed as number of days since 01/01 of current year. For example, July 29, 15:20 is sent as 2111520.
    713NAction Code of transaction received from Host.
    742NReserved – fixed to ‘0’ (0x30)

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