How To Fix IDFI163 - Do not select input and output tax at the same time.

SAP Error Message - Details

• Message type: E = Error

• Message class: IDFI - International Development

• Message number: 163

• Message text: Do not select input and output tax at the same time.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IDFI163 - Do not select input and output tax at the same time. ?

  The SAP error message IDFI163, which states "Do not select input and output tax at the same time," typically occurs in the context of tax determination in SAP systems, particularly when dealing with tax codes in financial transactions. This error indicates that the system has detected an attempt to select both input tax and output tax for a single transaction, which is not allowed.
  Cause:
  
  Incorrect Tax Code Selection: The user may have inadvertently selected a tax code that is configured for both input and output tax.
  Configuration Issues: The tax configuration in the system may not be set up correctly, leading to conflicting tax codes being applied.
  Transaction Type: The type of transaction being processed may not support both input and output tax simultaneously.
  
  Solution:
  
  Review Tax Code: Check the tax code being used in the transaction. Ensure that it is appropriate for the type of transaction (input or output).
  Adjust Transaction Settings: If you are processing a transaction that should only involve input tax (e.g., a purchase), ensure that the output tax option is not selected, and vice versa.
  Consult Configuration: If you have access to the configuration settings, review the tax configuration in the SAP system to ensure that tax codes are set up correctly and that there are no overlaps.
  User Training: Ensure that users are trained on how to select the correct tax codes for their transactions to avoid this error in the future.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on tax configuration and handling tax codes.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBYZ (for tax code configuration) and FTXP (for tax code maintenance).
  Support Notes: Check SAP Support Portal for any relevant notes or updates regarding this error message, as there may be specific patches or updates that address known issues.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in financial accounting and tax configuration.