03/07/2021
(ASC X12) 474 Master Reference (Link) Number
TYPE=AN MIN=1 MAX=22
Reference number assigned by the sender to relate a transaction set to a master transaction (When associating a group of purchase orders, invoices or other transaction sets, use the master reference (link) number to identify the group and the link sequence number to identify individual transaction sets within the group)
Appears in
| ANSI X12 EDI CF1 | Beginning Segment for Summary Freight Bill Manifest |
| ANSI X12 EDI G01 | Invoice Identification |
| ANSI X12 EDI G50 | Purchase Order Identification |
| ANSI X12 EDI W05 | Shipping Order Identification |
| ANSI X12 EDI W06 | Warehouse Shipment Identification |
| ANSI X12 EDI W17 | Warehouse Receipt Identification |
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