| X12 855 Purchase Order AcknowledgmentListed on 1 channel: Dow | purchase-order response original purchase order, response revision and order line | - Test a partially accepted order with a backordered line and retain both outcomes.
- Do not treat a syntax acknowledgment as acceptance of price, quantity or delivery dates.
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| X12 850 Purchase OrderListed on 1 channel: Dow | purchase order or sales order buyer purchase order, order line and trading-party identifiers | - Map buyer item numbers to seller SKUs and explicitly convert case quantities to the agreed unit.
- Resend one purchase order and confirm that only one sales order is created.
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| X12 204 Motor Carrier Load TenderListed on 1 channel: Dow | load tender load reference, pickup and delivery stop identifiers | - Send an amended pickup appointment and retain the previous tender decision.
- Test a multi-stop load whose stop sequence differs from address sorting.
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| X12 990 Response To A Load TenderListed on 1 channel: Dow | load-tender response original load reference, carrier and response | - Associate acceptance with the correct version of the load tender.
- Test a declined tender and ensure it returns to dispatch for reassignment.
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| X12 214 Transportation Carrier Shipment Status MessageListed on 1 channel: Dow | shipment status event shipment reference, event code, event time and location | - Deliver an older status after a newer one and retain event history without moving the current status backward.
- Send one milestone twice and avoid duplicate customer notifications.
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| X12 940 Warehouse Shipping OrderListed on 1 channel: Dow | warehouse fulfillment order warehouse order, owner, ship-to and item | - Test a cancellation after picking and define who approves any warehouse reversal.
- Validate owner-specific SKU and unit mappings before allocating stock.
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| X12 943 Warehouse Stock Transfer Shipment AdviceListed on 1 channel: Dow | warehouse transfer shipment transfer, sending location and shipped item | - Test a transfer split across several shipments.
- Record stock in transit without prematurely increasing available stock at the receiving warehouse.
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| X12 945 Warehouse Shipping AdviceListed on 1 channel: Dow | warehouse shipment confirmation warehouse order, shipment and shipped line | - Test partial fulfillment and leave the unshipped order quantity open.
- Reconcile shipped units and tracking references before preparing a customer-facing shipment notice.
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| X12 947 Warehouse Inventory Adjustment AdviceListed on 1 channel: Dow | warehouse inventory adjustment adjustment, item, location and reason | - Test a negative adjustment without converting it into a positive stock receipt.
- Preserve adjustment reasons and prevent a duplicate message from moving stock twice.
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| X12 861 Receiving Advice Acceptance CertificateListed on 1 channel: Dow | goods receipt or acceptance record receipt, shipment, order and inspected item | - Separate received quantity from accepted quantity when damaged goods are reported.
- Reconcile two partial receipts against one shipment without closing the order early.
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