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EDI Business Transaction Cycle

Here is a typical EDI business transaction cycle using a dial-up or network connection to a Value-Added Network (VAN):

1. Customer sends a purchase order (EDI 850)
2. Supplier sends an acknowledgement notice (EDI 997)
3. Supplier sends an advance shipping notice (EDI 856)
4. Customer sends an acknowledgement notice (EDI 997)
5. Supplier sends an electronic invoice (EDI 810)
6. Customer sends another acknowledgement notice (EDI 997)
7. Customer sends an Electronic Funds Transfer (EFT) payment