SaleToPOIDvcReq
                Mandatory
                Hdr
                Mandatory
                DvcReq
                Mandatory
                Envt
                Optional
                Cntxt
                Optional
                PmtCntxt
                Optional
                CardPres
                Optional
                CrdhldrPres
                Optional
                OnLineCntxt
                Optional
                AttndncCntxt
                Optional
                TxEnvt
                Optional
                TxChanl
                Optional
                BizArea
                Optional
                AttndntMsgCpbl
                Optional
                AttndntLang
                Optional
                CardDataNtryMd
                Optional
                Fallback Indicator
FllbckInd
                Optional
                Definition: Indicator of a card entry mode fallback.
Type: CardFallback1Code (String)
Allowed Values:
- FFLB (Fallback After Failure): Card fall-back occurred during the transaction in progress. The previous transaction on the terminal failed.
 - SFLB (Fallback After Success): Card fall-back occurred during the transaction in progress. The previous transaction on the terminal was successful.
 - NFLB (No Fallback): No card fall-back during the transaction in progress.
 
SpprtdOptn
                Repetition (0..n)
                SaleCntxt
                Optional
                DrctDbtCntxt
                Optional
                SvcCntt
                Mandatory
                DispReq
                Optional
                InptReq
                Optional
                PrtReq
                Optional
                PlayRsrcReq
                Optional
                ScrInptReq
                Optional
                InitlstnCardRdrReq
                Optional
                CardRdrAPDUReq
                Optional
                PwrOffCardRdrReq
                Optional
                TrnsmssnReq
                Optional
                InptNtfctn
                Optional
                SplmtryData
                Repetition (0..n)
                SctyTrlr
                Optional