EK381 - Tax determination code with quantity reference not uniquely determined

SAP Error Message - Details

• Message type: E = Error

• Message class: EK - IS-U Accounts Receivable and Payable

• Message number: 381

• Message text: Tax determination code with quantity reference not uniquely determined

What causes this issue?

The system cannot find a unique entry for the primary tax determination
ID &v1& for date &v2& and quantity &v3&.

System Response

Tax determination cannot take place; Posting of the document is
terminated.

How to fix this error?

Maintain table <DS:TRAN.EBR_TE011BR>Quantity-Dependent Tax Determination
</>.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EK381 - Tax determination code with quantity reference not uniquely determined ?

  The SAP error message EK381, which states "Tax determination code with quantity reference not uniquely determined," typically occurs during the processing of purchase orders or invoices when the system is unable to determine the appropriate tax code based on the provided data. This can happen for several reasons, including configuration issues or missing data.
  Causes:
  
  Multiple Tax Codes: There may be multiple tax codes defined for the same combination of criteria (e.g., country, tax type, etc.), leading to ambiguity in tax determination.
  Missing Tax Configuration: The tax determination configuration may not be set up correctly in the system, leading to the inability to determine a unique tax code.
  Incorrect Material Master Data: The material master data may not have the correct tax classification or may be missing necessary information.
  Vendor Master Data Issues: The vendor master data may not have the correct tax information or may be incomplete.
  Inconsistent Data: There may be inconsistencies between the purchase order, material master, and vendor master data.
  
  Solutions:
  
  
  Check Tax Configuration: Review the tax configuration in the SAP system. Ensure that the tax codes are uniquely defined for the relevant combinations of country, tax type, and other criteria.
  
  Transaction Codes: Use transaction codes like OBYZ (for tax codes) and OB40 (for tax determination) to review and adjust settings.
  
  
  
  Review Material Master Data: Check the material master records to ensure that the tax classification is correctly assigned.
  
  Transaction Code: Use MM03 to display material master data and verify the tax classification.
  
  
  
  Check Vendor Master Data: Ensure that the vendor master data is complete and has the correct tax information.
  
  Transaction Code: Use XK03 to display vendor master data and verify tax-related fields.
  
  
  
  Analyze Purchase Order: Review the purchase order for any inconsistencies or missing information that could affect tax determination.
  
  
  Consult with Tax Experts: If the issue persists, it may be beneficial to consult with tax experts or SAP consultants who can provide insights into the specific tax regulations applicable to your business.
  
  
  Debugging: If you have access to technical resources, debugging the tax determination process can help identify where the ambiguity arises.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to tax determination errors.
  Documentation: Review SAP documentation on tax determination and configuration for your specific version of SAP.
  User Forums: Engage with SAP user forums or communities for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the EK381 error and implement a solution to resolve it.