Code identifying purpose of transaction set.

Code specifying the type of acknowledgment.

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.

BCA09 is the seller's order number.

Date assigned by the sender to the acknowledgment.

Date of the purchase order change request.

Date (YYMMDD).

BCA12 is order change acknowledgment date.

Code specifying the type of Purchase Order.