How To Fix DEFTAX_MX028 - Deferred tax: Do not post invoice & with both acquisition and other taxes

SAP Error Message - Details

• Message type: E = Error

• Message class: DEFTAX_MX - Message Class : Deferred Tax Localisation for Mexico

• Message number: 028

• Message text: Deferred tax: Do not post invoice & with both acquisition and other taxes

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DEFTAX_MX028 - Deferred tax: Do not post invoice & with both acquisition and other taxes ?

  The SAP error message DEFTAX_MX028 typically occurs in the context of deferred tax accounting in Mexico, particularly when dealing with invoices that involve both acquisition taxes (like VAT) and other taxes. This error indicates that the system has detected a situation where an invoice is being posted that includes both types of taxes, which is not allowed under the current configuration or business rules.
  Cause:
  
  Mixed Tax Types: The invoice being processed includes both acquisition taxes (like VAT) and other taxes (like local taxes), which the system does not allow to be posted together.
  Configuration Issues: The tax configuration in the SAP system may not be set up to handle mixed tax types correctly.
  Business Rules: There may be specific business rules or legal requirements in Mexico that prohibit posting invoices with both tax types simultaneously.
  
  Solution:
  
  Review the Invoice: Check the invoice details to ensure that it does not include both acquisition and other taxes. If it does, you may need to separate the transactions or adjust the tax codes used.
  Adjust Tax Configuration: If your business process requires posting invoices with both tax types, you may need to review and adjust the tax configuration in SAP. This may involve working with your SAP tax consultant or system administrator to ensure that the tax codes and settings are correctly configured.
  Consult Legal Requirements: Ensure that your invoicing practices comply with local tax laws and regulations. If necessary, consult with a tax advisor to understand the implications of posting invoices with mixed tax types.
  Use Separate Invoices: If the business rules dictate that these taxes cannot be posted together, consider issuing separate invoices for transactions that involve both types of taxes.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on configuring tax settings for Mexico.
  Documentation: Review SAP documentation related to tax handling in Mexico, particularly for deferred tax accounting.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By addressing the cause of the error and implementing the appropriate solutions, you should be able to resolve the DEFTAX_MX028 error and proceed with your invoicing processes.