How To Fix U1813 - &1 is not a valid tax company

SAP Error Message - Details

• Message type: E = Error

• Message class: U1 - Tax reporter interface

• Message number: 813

• Message text: &1 is not a valid tax company

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 U1813 - &1 is not a valid tax company ?

  The SAP error message "U1813 &1 is not a valid tax company" typically occurs when there is an issue related to the tax company configuration in the SAP system. This error indicates that the system cannot recognize the specified tax company code, which is essential for processing transactions that involve tax calculations.
  Cause:
  
  Invalid Tax Company Code: The tax company code specified in the transaction does not exist in the system.
  Configuration Issues: The tax company code may not be properly configured in the system, or it may not be assigned to the relevant company code.
  Data Entry Error: There may be a typographical error in the tax company code entered in the transaction.
  Missing Master Data: The necessary master data for the tax company code may not be set up in the system.
  
  Solution:
  
  Verify Tax Company Code: Check the tax company code entered in the transaction for any typographical errors. Ensure that it matches the valid codes in the system.
  Check Configuration:
  
  Go to the SAP configuration (SPRO) and navigate to the relevant section for tax configuration.
  Ensure that the tax company code is defined and properly configured.
  Make sure that the tax company code is assigned to the relevant company code.
  
  
  Review Master Data: Ensure that all necessary master data related to the tax company code is set up correctly. This includes checking vendor and customer master records.
  Consult Documentation: If you are unsure about the configuration, refer to SAP documentation or consult with your SAP administrator or functional consultant for assistance.
  Testing: After making any changes, test the transaction again to see if the error persists.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OBY6 (for defining tax company codes) or OBD2 (for assigning tax codes to company codes) to check and modify configurations.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to access and modify tax company configurations.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or your internal IT team for further investigation.