How To Fix HRPAYDEBAV704 - Tax ID number already exists in "Tax Data" infotype from &1 to &2

HRPAYDEBAV704 - Overview

• Message type: E = Error

• Message class: HRPAYDEBAV - HR-BAV (CPS) Error Messages (Germany)

• Message number: 704

• Message text: Tax ID number already exists in "Tax Data" infotype from &1 to &2

Self-Explanatory Message

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HRPAYDEBAV704 - Details

• The SAP error message HRPAYDEBAV704 indicates that there is a duplicate Tax ID number in the "Tax Data" infotype (typically Infotype 0012) for an employee. This error occurs when you attempt to enter or update tax data for an employee, but the Tax ID number you are trying to use already exists in the system for that employee or possibly for another employee.
  
  Cause:
  
  Duplicate Entry: The Tax ID number you are trying to enter already exists in the Tax Data infotype for the same employee or another employee.
  Incorrect Data Entry: There may have been a mistake in data entry, leading to the same Tax ID being entered multiple times.
  Data Migration Issues: If data was migrated from another system, it’s possible that duplicates were created during the migration process.
  
  
  Solution:
  
  
  Check Existing Entries: 
  
  Go to the employee's Tax Data infotype (Infotype 0012) and check if the Tax ID number already exists. If it does,