Customer invalid Tax registration issue

Module: Payables

Oracle Version: Oracle R12

Error Message:

Tax Registration Number – Please enter a valid tax registration number.

Cause of Issue:

You have entered an invalid VAT/GST registration number or the format you have entered it in is incorrect.


You need to make sure you have the correct VAT/GST format.


  1. Kirsten

    I have the correct TAX Reg number and it is in the correct format and I am still getting this error.

    • Andrew Bohnet

      Either the format is not correct or you need to log an SR with Oracle. Sometimes there are different formats that are not supported or they have to be entered in a certain way – the certain way is not explained by Oracle unfortunately.


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