How To Fix SIPT663 - VAT registration number of customer number &1 cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: SIPT - SIPT: Digital Signature Portugal

• Message number: 663

• Message text: VAT registration number of customer number &1 cannot be changed

What causes this issue?

If a customer number has been used in documents with a Portuguese
digital signature (in a Portuguese company code or in a Portuguese
organizational unit of a foreign company code), the VAT registration
number can be changed only if it was previously empty or it contained a
generic value. This restriction applies to all changes, including the
correction of errors.

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

System Response

The system prevents the change.

How to fix this error?

To use the VAT registration number that you entered, create a new
customer master record.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIPT663 - VAT registration number of customer number &1 cannot be changed ?

  The SAP error message SIPT663 indicates that there is an issue with changing the VAT registration number for a specific customer in the system. This error typically arises in the context of managing customer master data, particularly when dealing with VAT compliance and reporting.
  Cause:
  
  Data Integrity: The VAT registration number is often linked to various transactions and documents. Changing it may violate data integrity rules within the system.
  Legal Restrictions: In some jurisdictions, once a VAT registration number is assigned to a customer, it cannot be changed due to legal or regulatory requirements.
  System Configuration: The system may be configured to prevent changes to certain fields once they have been set, especially if there are related transactions or documents.
  Open Transactions: If there are open invoices or transactions associated with the customer, the system may restrict changes to the VAT registration number.
  
  Solution:
  
  Check for Open Transactions: Ensure that there are no open invoices or transactions associated with the customer. If there are, you may need to clear or close them before making changes.
  Review Customer Data: Verify if the customer data is correct and if the VAT registration number needs to be updated. If it is incorrect, you may need to follow specific procedures to correct it.
  Consult Legal Guidelines: Check the legal requirements in your jurisdiction regarding changing VAT registration numbers. If it is not permissible, you may need to create a new customer record with the correct VAT number.
  Use Transaction Codes: If you have the necessary authorizations, you can use transaction codes like XD02 (Change Customer) to attempt to change the VAT number, but ensure that you follow the necessary steps to avoid data integrity issues.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide guidance based on your specific system configuration and business processes.
  
  Related Information:
  
  Documentation: Review SAP documentation related to customer master data management and VAT compliance.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to customer master data.
  System Configuration: Check with your SAP Basis or configuration team to understand if there are any specific settings that prevent changes to the VAT registration number.
  Training: Consider training for users who manage customer data to ensure they understand the implications of changing critical fields like VAT registration numbers.
  
  By following these steps, you should be able to address the SIPT663 error and manage VAT registration numbers effectively within your SAP system.