How To Fix OB420 - 'Tax Procedure From' is mandatory

OB420 - Overview

• Message type: E = Error

• Message class: OB - IS-OIL Downstream TDP messages

• Message number: 420

• Message text: 'Tax Procedure From' is mandatory

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OB420 - 'Tax Procedure From' is mandatory ?

  The SAP error message OB420, which states "'Tax Procedure From' is mandatory," typically occurs in the context of configuring tax settings in the SAP system. This error indicates that a required field related to tax procedures has not been filled in or is missing in the configuration.
  
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Configuration: The tax procedure has not been defined or is incomplete in the configuration settings.
  Incorrect Settings: The tax procedure settings may not be properly assigned to the relevant company code or country.
  Data Entry Error: There may be a data entry error where the field for the tax procedure has been left blank.
  
  
  Solution:
  To resolve the OB420 error, you can follow these steps:
  
  
  Check Tax Procedure Configuration:
  
  Go to the transaction code OBYZ (or navigate through the menu: SPRO > Financial Accounting > Financial Accounting Global Settings > Tax on Sales/Purchases > Basic Settings > Define Tax