AuthstnRspn
                Mandatory
                Hdr
                Mandatory
                MsgFctn
                Mandatory
                Protocol Version
PrtcolVrsn
                Mandatory
                Definition: Version of the acquirer to issuer protocol specifications.
Type: Max2048Text (String)
Restrictions:
- MinLength: 1
- MaxLength: 2048
XchgId
                Optional
                ReTrnsmssnCntr
                Optional
                CreDtTm
                Mandatory
                BtchMgmtInf
                Optional
                InitgPty
                Mandatory
                RcptPty
                Optional
                TracData
                Repetition (0..n)
                Tracblt
                Repetition (0..n)
                Body
                Mandatory
                SctyTrlr
                Optional