CDS 12170 – Invalid VAT number. Please note, if you are attempting to claim Onward Supply Relief (OSR), you must be identified as trading under the terms of the Northern Ireland Protocol (now Windsor Framework) for VAT

System: CDS

Error Code: CDS 12170 (CDS-12170)

Explanation

Authorisation Error: Invalid VAT number. Please note, if you are attempting to claim Onward Supply Relief (OSR), you must be identified as trading under the terms of the Northern Ireland Protocol (now Windsor Framework) for VAT.

When it happens (Reason)

Invalid VAT number for claiming OSR under NI Protocol. You must be identified as trading under the Northern Ireland Protocol.

Quick Fix

Verify VAT number validity.

Step-by-step resolution

1. Verify VAT number validity.

2. Confirm eligibility under the NI Protocol.

3. Correct VAT number if required.

4. Validate declaration.

5. Resubmit.

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