InvoiceAssignmentAcknowledgementV01
InvcAssgnmtAck
Mandatory
Type: InvoiceAssignmentAcknowledgementV01
Hdr
Mandatory
PmtStsList
Repetition (1..n)
PmtStsCnt
Optional
ItmCnt
Optional
CtrlSum
Optional
AttchdMsg
Repetition (0..n)