EDI 846 (Inventory Inquiry/Advice) is an X12 transaction set to provide inventory information by a seller to a buyer, by a representative of a seller to that seller, and by one location to another location that is managing goods or services. It is also used to inquire about the availability of inventory without any obligations on the seller to reserve that inventory.

EDI 850 (Purchase Order) is an X12 transaction set to place a purchase order for goods or services with a vendor as per customary and established business and industry practice.

EDI 850 (Purchase Order) is an X12 transaction set to place a purchase order for goods or services with a vendor as per customary and established business and industry practice.

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.

EDI 940 (Warehouse Shipping Order) is an X12 transaction set used by a depositor or a business party to manage actions in a warehouse, including making a shipment, modifying a shipment, confirming a shipment, or canceling a shipment.

EDI 943 (Warehouse Stock Transfer Shipment Advice) is an X12 transaction set to advise the recipient about the transfer shipment that has been made. It is sent by a depositor, their agent, or a third party, containing information such as receiving location and product details.