AcctMndtMntncAmdmntReq
                Mandatory
                Refs
                Mandatory
                Fr
                Optional
                CtrctDts
                Optional
                UndrlygMstrAgrmt
                Optional
                AcctId
                Repetition (1..n)
                AcctSvcrId
                Mandatory
                Mandatory
                Mndt
                Repetition (0..n)
                ModCd
                Optional
                Mandatory
                AplblChanl
                Repetition (1..n)
                ReqrdSgntrNb
                Mandatory
                SgntrOrdrInd
                Mandatory
                MndtHldr
                Repetition (0..n)
                BkOpr
                Repetition (1..n)
                Domn
                Optional
                Cd
                Mandatory
                Fmly
                Mandatory
                Cd
                Mandatory
                Sub Family Code
SubFmlyCd
                Mandatory
                Definition: Specifies the sub-product family within a specific family.
Type: ExternalBankTransactionSubFamily1Code (String)
Restrictions:
- MinLength: 1
 - MaxLength: 4
 
Prtry
                Optional
                StartDt
                Optional
                EndDt
                Optional
                Grp
                Repetition (0..n)
                DgtlSgntr
                Repetition (0..n)
                SplmtryData
                Repetition (0..n)