AcctOpngAmdmntReq
                Mandatory
                Refs
                Mandatory
                MsgId
                Mandatory
                PrcId
                Mandatory
                Attached Document Name
AttchdDocNm
                Repetition (0..n)
                Definition: File name of a document logically related to the request.
Type: Max70Text (String)
Restrictions:
- MinLength: 1
 - MaxLength: 70
 
Fr
                Optional
                CtrctDts
                Optional
                UndrlygMstrAgrmt
                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)