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EDI 855 Purchase Order Acknowledgement
PO Ack

EDI 855 Purchase Order Acknowledgement

An EDI 855 is a purchase order acknowledgement (also known as EDIFACT ORDRSP or X12 EDI 855). The EDI 855 purchase order acknowledgement is as the name implies, a confirmation to the buyer the purchase order has been received by the supplier. The EDI 855 also indicates to the retailer/buyer if the supplier acknowledged the purchase order in full or if there are any changes.

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Easy Order Fulfillment

EDI 855 Document Key Data Elements include: 

  • Purchase order number
  • Purchase order acknowledgement type: acknowledged detail with no change or acknowledged with change
  • Purchase order date & Vendor number
  • Line item acknowledgement status: item accepted, backordered, rejected, date rescheduled, partial shipment, etc.
  • Quantities, units of measure, pricing and totals
  • Current schedule delivery date/time
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Benefits of EDI 855 Purchase Order Acknowledgement For Buyers & Sellers

For Retailers/Buyers:

  • Automates and provides real-time visibility
  • Provides suppliers’ order product fulfillment status and sets order expectation
  • Confirms eCommerce order details if drop ship to the online shopper


For Suppliers/Sellers:

  • Improves efficiency by acknowledging the purchase order and sets the order expectation
  • Reduces manual data entry, errors and any discrepancies
  • Provides line item status details if accepted, rejected, price change, partial shipment and so on






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DataTrans is the leading EDI service provider that maintains connections with thousands of companies allowing users to easily manage activity within our cloud-based portal, WebEDI. We are constantly adding new companies to our network and we try to keep this list as current as possible. Scroll through to view a few of our trading partners below. For more information select see all trading partners.

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