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Maryland income tax withholding

Official state certificate

Form MW507

Published free by the Comptroller of Maryland.

Every Maryland employee completes Form MW507 at hire, in addition to the federal IRS Form W-4 and Form I-9.

◆ get the Maryland employer packet — $2.95

What the Maryland packet covers

  • • Where to download the current Form MW507 free from the Comptroller of Maryland.
  • • Line-by-line completion guidance for employees and payroll staff.
  • • Invalid or missing certificate handling and default withholding rules.
  • • Retention schedule, reverification triggers and recordkeeping log.
  • Maryland registration steps, deposit schedule and filing deadlines.
  • • New-hire reporting requirements and a self-audit checklist.

Related packets for Maryland employers

Other states

Official government forms are published free by the issuing agencies. The Vault Doc does not reproduce or resell them — our packets provide employer-side guidance and are not legal or tax advice.