---
title: "Why is the TRN check not applied to some Customers?"
canonical: "https://wiki.soft1.eu/space/SKEN/643072044/Why%20is%20the%20TRN%20check%20not%20applied%20to%20some%20Customers%3F"
format: markdown
---
🌱 Make sure the *Excluded from checks*** **parameter (*Parameters menu → C*omm*ercial Management → Trading parties → Customers→ TRN Check area) *has been set, *e.g. for specific Accounting Categories. *

Check the Accounting Categories of the Customers for whom TRN check is not applied. 


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