2025 US State Tax Form - Update Missouri Withholding Form (MO W-4)

Tax Forms 2025

The Missouri State Tax Withholding Form (MO W-4) was updated for the tax year of 2025. The updated 2025 version of the form is now available in OB365.

This is part of the OB365 R2025.02 release. Click here for release calendar details.