SaleToPOIMsgStsReq
                Mandatory
                Hdr
                Mandatory
                StsReq
                Mandatory
                SctyTrlr
                Optional
                CnttTp
                Mandatory
                AuthntcdData
                Optional
                Vrsn
                Optional
                Rcpt
                Repetition (1..n)
                KeyTrnsprt
                Choice
                KEK
                Choice
                Vrsn
                Optional
                KEKId
                Mandatory
                KeyId
                Mandatory
                KeyVrsn
                Mandatory
                Sequence Number
SeqNb
                Optional
                Definition: Number of usages of the cryptographic key.
Type: Number (Decimal)
Restrictions:
- FractionDigits: 0
- TotalDigits: 18
DerivtnId
                Optional
                KeyNcrptnAlgo
                Mandatory
                NcrptdKey
                Optional
                KeyIdr
                Choice
                MACAlgo
                Mandatory
                NcpsltdCntt
                Mandatory
                MAC
                Mandatory
                SgndData
                Optional