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Tax Changes Implemented Pay Period 2025-18: LA

DATE: Thursday, August 28, 2025


Please share this information with all impacted employees.

The following tax changes were implemented in Pay Period 2025-18. As a result, employees may see a change in their current tax withholdings.  Please note that these tax changes are not applied retroactively and reconciliation may be needed when impacted employees file their tax returns.


State Taxes

Louisiana Income Tax Withholding:

  • The state income tax withholding formula has changed effective January 1, 2025.
  • The formula and documentation have been updated to allow entry of an increase or decrease in the amount of tax to be withheld each pay period.
  • Datamart Query: Tax State = 22

You may execute Datamart queries to identify employees in affected state taxing areas. For Combined File Ad-Hoc query/analysis of applicable states, add STE Tax State 1 = (Tax State code listed above) or STE Tax State 2 = (Tax State code listed above) to the filter or prompt lines. Another option is the shared Datamart report titled "State Tax Code Report" (State Tax Code Query Now Available | January 18, 2024).


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