How To Fix TXS_MESSAGES029 - Enter a valid external tax code

SAP Error Message - Details

• Message type: E = Error

• Message class: TXS_MESSAGES - Tax Service Messages class

• Message number: 029

• Message text: Enter a valid external tax code

What causes this issue?

The tax code you can enter in this field comes from the response of the
Tax Service API.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Verify the tax code attribute in the Tax Service API response.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.