AcctOpngAmdmntReq
                Mandatory
                Refs
                Mandatory
                Fr
                Optional
                CtrctDts
                Optional
                Underlying Master Agreement
UndrlygMstrAgrmt
                Optional
                Definition: Account contract established between the organisation or the group to which the organisation belongs, and the account servicer. This contract has to be applied for the new account to be opened and maintained.
Type: ContractDocument1
Ref
                Mandatory
                SgnOffDt
                Optional
                Vrsn
                Optional
                Acct
                Mandatory
                AcctSvcrId
                Mandatory
                Org
                Mandatory
                Mndt
                Repetition (0..n)
                Grp
                Repetition (0..n)
                RefAcct
                Optional
                DgtlSgntr
                Repetition (0..n)
                SplmtryData
                Repetition (0..n)