How To Fix /ISIDEX/EDEREG_INV168 - Bill without tax, even though no integrated company liable to sales tax

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISIDEX/EDEREG_INV -

• Message number: 168

• Message text: Bill without tax, even though no integrated company liable to sales tax

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISIDEX/EDEREG_INV168 - Bill without tax, even though no integrated company liable to sales tax ?

  The SAP error message /ISIDEX/EDEREG_INV168 indicates that there is an issue with a billing document where the system expects a tax-related entry, but it finds that the billing is being processed without tax, even though there is no integrated company liable for sales tax. This can occur in scenarios involving intercompany transactions or specific configurations in the tax settings.
  Cause:
  
  Tax Configuration: The tax configuration for the company code or the specific transaction may not be set up correctly. This could include missing tax codes or incorrect settings in the tax determination procedure.
  Intercompany Settings: If the transaction involves intercompany billing, the settings for intercompany transactions may not be configured properly, leading to the system expecting tax entries.
  Document Type Settings: The document type used for billing may not be configured to handle tax correctly, or it may be set to a type that does not require tax.
  Customer Master Data: The customer master data may not have the correct tax classification or settings, leading to the system not applying tax when it should.
  
  Solution:
  
  Check Tax Configuration: Review the tax configuration in the SAP system. Ensure that the relevant tax codes are defined and that the tax determination procedure is correctly set up for the company code involved.
  Review Intercompany Settings: If this is an intercompany transaction, verify the intercompany settings in the configuration. Ensure that the relevant company codes are set up to handle tax correctly.
  Document Type Review: Check the document type settings for the billing document. Ensure that it is configured to handle tax appropriately and that it aligns with the business requirements.
  Customer Master Data: Review the customer master data for the customer involved in the transaction. Ensure that the tax classification is set correctly and that it aligns with the tax requirements for the transaction.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide guidance on configuration settings.
  
  Related Information:
  
  SAP Documentation: Refer to the SAP Help Portal for documentation on tax configuration and intercompany billing.
  Transaction Codes: Use transaction codes like OBYZ (for tax codes) and OVK1 (for document types) to review and adjust settings.
  Testing: After making changes, perform testing to ensure that the billing document processes correctly without triggering the error message.
  Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who specializes in tax configuration and intercompany processes.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.