Code identifying purpose of transaction set.

Code specifying the type of Purchase Order.

Identifying number for Purchase Order assigned by the orderer/purchaser.

Number identifying a release against a Purchase Order previously placed by the parties involved in the transaction.

Number assigned by the orderer identifying a specific change or revision to a previously transmitted transaction set.

Date assigned by the purchaser to Purchase Order.

Reference number or RFQ number to use to identify a particular transaction set and query (additional reference number or description which can be used with contract number).

Contract number.

Reference number or identification number as defined for a particular Transaction Set, or as specified by the Reference Number Qualifier.

Date assigned by the sender to the acknowledgment.

Date of the purchase order change request.