SaleToPOIDvcReq
                Mandatory
                Hdr
                Mandatory
                DvcReq
                Mandatory
                Envt
                Optional
                Acqrr
                Optional
                SvcPrvdr
                Optional
                Mrchnt
                Optional
                POI
                Optional
                Mandatory
                Mandatory
                Tp
                Optional
                Issuer
Issr
                Optional
                Definition: Entity assigning the identification (for example merchant, acceptor, acquirer, or tax authority).
Type: PartyType33Code (String)
Allowed Values:
- OPOI (Originating POI): Point Of Interaction initiating the card payment transaction.
 - MERC (Merchant): Merchant providing goods and service in the card payment transaction.
 - ACCP (Acceptor): Card acceptor, party accepting the card and presenting transaction data to the acquirer.
 - ITAG (Intermediary Agent): Party acting on behalf of other parties to process or forward data to other parties.
 - ACQR (Acquirer): Entity acquiring card transactions.
 - CISS (Card Issuer): Party that issues cards.
 - DLIS (Delegate Issuer): Party to whom the card issuer delegates to authorise card payment transactions.
 - MTMG (Master Terminal Manager): Responsible for the maintenance of a card payment acceptance terminal.
 - TAXH (Tax Authority): Tax authority.
 - TMGT (Terminal Manager): Responsible for one or several maintenance functions of a card payment acceptance terminal.
 
Ctry
                Optional
                ShrtNm
                Optional
                RmotAccs
                Optional
                Glctn
                Optional
                SysNm
                Optional
                GrpId
                Optional
                Cpblties
                Optional
                TmZone
                Optional
                TermnlIntgtn
                Optional
                Cmpnt
                Repetition (0..n)
                Card
                Optional
                Chck
                Optional
                StordValAcct
                Repetition (0..n)
                LltyAcct
                Repetition (0..n)
                CstmrDvc
                Optional
                Wllt
                Optional
                PmtTkn
                Optional
                MrchntTkn
                Optional
                Crdhldr
                Optional
                PrtctdCrdhldrData
                Optional
                SaleEnvt
                Optional
                Cntxt
                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