Home Business Taxes Business Income Tax Employer Withholding 2024 Withholding Forms 2024 Employer Withholding Forms Instruction Booklets Note: The instruction booklets listed here do not include forms. Forms are available for downloading in the Employer Withholding Forms section below. Booklet Title Description Employer Withholding Guide Maryland Employer Withholding Guide Instructions for complying with the requirements for withholding Maryland income tax as required by law. Employer Withholding Forms Number Title Description MW506A Employer's Return of Income Tax Withheld - Amended Form used by employers to amend their employer withholding reports. MW506AM Employer's Return of Income Tax Withheld for Accelerated Filers - Amended Form used by employers filing on an accelerated basis to amend their employer withholding reports. MW506FR Maryland Employer Withholding - Final Return Form used by employers who have discontinued or sold their business. To be mailed with the MW506 or MW506M. Mail separately if filed electronically. MW507 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. MW507P Annuity and Sick Pay Request for Maryland Income Tax Withholding Form used by recipients of annuity, sick pay or retirement distribution payments that choose to have Maryland income tax withheld from each payment. MW508A Amended Annual Employer Withholding Reconciliation Return Form used by employers to amend their W-2 and 1099 reconciliations.