R12: AP/ZX: Error "This tax registration number is already in use for party type: Third Party and party name: XXXXX for the same period" Still Happen Even "Allow Duplicate Tax Registration Numbers" is Enabled at Tax Level (Doc ID 2123406.1)

Last updated on MAY 16, 2017

Applies to:

Oracle Payables - Version 12.0.0 and later
Oracle E-Business Tax - Version 12.0 and later
Oracle Receivables - Version 12.2.4 to 12.2.4 [Release 12.2]
Information in this document applies to any platform.

Symptoms

Users want to setup more than one AP Suppliers with same VAT Registration Number.
They followed AP and TAX setup in Doc ID 1135593.1, however even they enabled 'Allow Duplicate Tax Registration Numbers' at tax level,
they still get following error message when assigning the 2nd supplier with the same VAT Registration Number.

Error Message:(ZX_REG_NUM_DUPLICATE)

Reproduce Steps can be referred in
How To create more than one AP Supplier with the same VAT Registration Number in OA release 12 (Doc ID 1135593.1)

Cause

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