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)
                ModCd
                Optional
                PtyOrGrp
                Mandatory
                SgntrOrdr
                Optional
                Authstn
                Mandatory
                MaxAmtByTx
                Optional
                MaxAmtByPrd
                Repetition (0..n)
                MaxAmt
                Mandatory
                Number Of Days
NbOfDays
                Mandatory
                Definition: Period specified as a number of days.
Type: Max3NumericText (String)
Restrictions:
- Pattern: [0-9]{1,3}
 
MaxAmtByBlkSubmissn
                Optional
                BkOpr
                Repetition (1..n)
                StartDt
                Optional
                EndDt
                Optional
                Grp
                Repetition (0..n)
                DgtlSgntr
                Repetition (0..n)
                SplmtryData
                Repetition (0..n)