CorpActnInstrStsAdvc
                Mandatory
                InstrId
                Optional
                OthrDocId
                Repetition (0..n)
                Mandatory
                Document Number
DocNb
                Optional
                Definition: Identification of the type of document.
Type: DocumentNumber5Choice
ShrtNb
                Choice
                LngNb
                Choice
                PrtryNb
                Choice
                CorpActnGnlInf
                Mandatory
                InstrPrcgSts
                Repetition (1..n)
                CorpActnInstr
                Optional
                PrtctInstr
                Optional
                AddtlInf
                Optional
                SplmtryData
                Repetition (0..n)