AcctMndtMntncAmdmntReq
                Mandatory
                Refs
                Mandatory
                Fr
                Optional
                CtrctDts
                Optional
                UndrlygMstrAgrmt
                Optional
                AcctId
                Repetition (1..n)
                AcctSvcrId
                Mandatory
                FinInstnId
                Mandatory
                BICFI
                Optional
                ClrSysMmbId
                Optional
                ClrSysId
                Optional
                Code
Cd
                Choice
                Definition: Identification of a clearing system, in a coded form as published in an external list.
Type: ExternalClearingSystemIdentification1Code (String)
Restrictions:
- MinLength: 1
 - MaxLength: 5
 
Prtry
                Choice
                MmbId
                Mandatory
                LEI
                Optional
                Nm
                Optional
                PstlAdr
                Optional
                Othr
                Optional
                BrnchId
                Optional
                Mandatory
                Mndt
                Repetition (0..n)
                Grp
                Repetition (0..n)
                DgtlSgntr
                Repetition (0..n)
                SplmtryData
                Repetition (0..n)