What is EDI testing and certification?

Certification is the retailer’s approval process before it lets a supplier trade live. The supplier sends sample documents against the partner specification, the retailer checks structure and content, and errors come back for correction. Only once each required transaction set passes does the connection move to production. Timelines depend on the retailer’s testing queue.

Certification tests documents in isolation, so passing it confirms the maps are right rather than the operation behind them. The first real purchase order is still where an unrehearsed process gets found out.

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