AcctOpngAmdmntReq
                Mandatory
                Refs
                Mandatory
                MsgId
                Mandatory
                Process Identification
PrcId
                Mandatory
                Definition: Identifies a process by a unique identifier and the date and time when the first message belonging to the process was created by the sender. The process identification remains the same in all messages belonging to the same process, from the initial request message to the final account report closing the process.
Type: MessageIdentification1
Mandatory
                CreDtTm
                Mandatory
                AttchdDocNm
                Repetition (0..n)
                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)