The EDI 943 · Warehouse Stock Transfer Shipment Advice is the advance notice that inventory is moving between locations. A depositor, manufacturer, or sending facility uses it to tell a receiving warehouse that a transfer shipment has been made and is on its way — what products, in what quantities, from where, by which carrier, and when to expect them. The receiving warehouse answers later with the 944 · Warehouse Stock Transfer Receipt Advice, confirming what actually arrived.
If the 940 · Warehouse Shipping Order and the 945 · Warehouse Shipping Advice are about goods leaving a warehouse for a customer, the 943 and 944 are about goods moving sideways — from one warehouse to another, from a manufacturer to a 3PL, or between facilities that both hold your stock.…