MD MW506/MW506M - Employer's Return of Income Tax Report

Greg Hatfield Updated by Greg Hatfield

bFile is Maryland's online service used to file and pay Employer’s Return of Income Tax Withheld (MW506). A valid FEIN or SSN and Maryland CRN (this is your eight-digit Maryland tax account number) are required. If you have not registered to file Maryland business taxes or do not have a CRN, you may register on our Web site at

See page 6 of Maryland's Employer Withholding Tax Returns booklet for filing instructions.

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MD Forms DLLR/DUI 15/16 - Maryland Unemployment Insurance Quarterly Contribution and Employment Reports

MD MW508 - Annual Employer Withholding Reconciliation Return