How To Fix IDMX423 - Master data: tax number &1, company code &2 for &3 is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: IDMX - Localization Mexico - Digital Invoice

• Message number: 423

• Message text: Master data: tax number &1, company code &2 for &3 is missing

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IDMX423 - Master data: tax number &1, company code &2 for &3 is missing ?

  The SAP error message IDMX423 indicates that there is a missing tax number for a specific master data record, which is typically related to a vendor or customer in the system. The message format includes placeholders for the tax number, company code, and the name of the entity (vendor or customer) that is missing the tax number.
  Cause:
  The error occurs when:
  
  A vendor or customer master record is being created or modified, and the required tax number is not provided.
  The tax number is mandatory for the specific company code and is required for compliance with tax regulations.
  The tax number field may not have been filled in during the creation or update of the master data.
  
  Solution:
  To resolve the IDMX423 error, follow these steps:
  
  
  Identify the Master Data Record: Check the details provided in the error message to identify the specific vendor or customer (indicated by &3) and the company code (indicated by &2).
  
  
  Access the Master Data:
  
  Go to the relevant transaction in SAP (e.g., XK02 for vendor or FD02 for customer).
  Enter the vendor or customer number and the company code.
  
  
  
  Enter the Missing Tax Number:
  
  Navigate to the tax information section of the master data.
  Enter the required tax number in the appropriate field.
  
  
  
  Save the Changes: After entering the tax number, save the changes to the master data record.
  
  
  Verify Compliance: Ensure that the tax number entered is valid and complies with local tax regulations.
  
  
  Related Information:
  
  Tax Number Requirements: Different countries have different requirements for tax numbers (e.g., VAT numbers, GST numbers). Ensure that you are aware of the specific requirements for the country associated with the company code.
  Master Data Maintenance: Regularly review and maintain master data to ensure that all required fields are filled out correctly to avoid similar errors in the future.
  User Authorizations: Ensure that the user has the necessary authorizations to edit master data records, as lack of permissions can also lead to issues when trying to update records.
  
  If the issue persists after following these steps, it may be necessary to consult with your SAP support team or refer to SAP documentation for further troubleshooting.