EDI 870 (Order Status Report) is an X12 transaction set to send reports for the current status of a requirement forecast, complete purchase order, selected line of items on a purchase order, selected items on a purchase order, or all or selected customer-specific purchase orders in their entirety. EDI 870 can also be used to send status reports for running requisitions. It may also be used to update shipment and delivery dates.

EDI 753 (Request for Routing Instructions) is an X12 transaction set to place a request to receive routing instructions and send general information related to the items that need to be shipped.

EDI 754 (Routing Instructions) is an X12 transaction set used for communicating routing instructions to a supplier about a specific shipment. EDI 754 can also be used to respond to EDI 753 (Request for Routing Instructions).

EDI 820 (Payment Order/ Remittance Advice) is an X12 transaction set to make a payment, send remittance advice, or both. EDI 820 can be used as an order or remittance advice sent to the payer to pay the payee directly from a financial institution or a third-party agent.

EDI 824 (Application Advice) is an X12 transaction set to report results after edits have been made in an application system's database. The edits made in transaction sets can be reported in the functional group, a part of the transaction set, or a different transaction set. The result can be coded or free-format. EDI 824 is only used when there is a need to report acceptance, rejection, partial acceptance, or changes in a transaction set. It is not used as a response to another transaction set.

EDI 855 (Purchase Order Acknowledgement) is an X12 transaction set used by sellers to send an acknowledgment to a buyer's purchase order as per customary and established business and industry practice. It can also be used to notify vendor-generated orders, which helps a buyer know if the seller has or will ship the order per pre-agreed terms.