Samuel SopeX12 and EDIFACT reference, reject codes decoded, platform notes, and the e-invoicing mandates nobody explains properly. Written from public standards as I work through them.https://samuelsope.com/enHow to read a 997 reject, segment by segmenthttps://samuelsope.com/reading-a-997-reject/https://samuelsope.com/reading-a-997-reject/A 997 tells you exactly what your trading partner rejected and why, if you know where to look. Here is how to read AK3, AK4 and AK5 without guessing.Fri, 02 Oct 2026 00:00:00 GMTerrors997acknowledgementsX12X12 to EDIFACT: the crosswalk that actually mattershttps://samuelsope.com/edifact-vs-x12-crosswalk/https://samuelsope.com/edifact-vs-x12-crosswalk/The transaction set mappings between X12 and EDIFACT are the easy part. The differences that break integrations are in structure, qualifiers and acknowledgement behaviour.Mon, 28 Sep 2026 00:00:00 GMTedifactEDIFACTX12mapping