ASC X12 999 – Implementation Acknowledgment
Acronym: EDI
The ASC X12 999 transaction is a superset of the ASc X12 997 transaction. As with the ASC X12 997, the ASC X12 999 serves as a receipt for an ASC X12 837 or the contents of an ASC X12 837, and the ASC X12 999 transaction offers information on the validity of the data content and syntax of the transaction.