W4 2025 Maryland. To be used as a companion to publication 1220 for tax year 2023 including specifications. Maryland form mw507 is the state’s withholding exemption certificate and must be completed by all residents or employees in maryland so your employer can withhold the.

Employee’s maryland withholding exemption certificate form used by individuals to direct their employer to withhold the correct amount of maryland income tax from their pay. Check the 2025 maryland state tax rate and the rules to calculate state.