Audience: Businesses
You need to submit a completed Combined Registration Application. You can either download the paper version or register online. You can use this application to register the following business tax accounts:
You must have a federal identification number before you can register your business, unless you are only applying for a sales and use tax license. To apply for a federal identification number, visit the IRS Web site.
You need to download the paper version to apply for the following:
Yes. You can file and pay employer withholding taxes and sales and use taxes online for free at the Maryland Tax Connect Portal. Electronic filing for businesses is fast, safe and easy. You can pay by direct debit and schedule debit payments up to the due date of the return.
The Electronic funds transfer (EFT) program is another easy way to file reports and remit taxes. You must first register by completing Form EFT-1, Authorization Agreement for Electronic Funds Transfer.
You can obtain the registration form and more information by calling Taxpayer Service at 410-260-7980, or 1-800-MD TAXES.
You are required to fill out a MW506 form on an accelerated, monthly, quarterly, seasonal or annual basis, depending upon the amount of tax withheld. You must file your MW506 form by the due dates, even if no tax was withheld. See Filing Withholding Reports for more information about filing withholding reports, due dates, and filing frequency.
You can obtain preprinted coupons by calling our Taxpayer Service Division at 410-260-7980 from Central Maryland or toll-free 1-800-MD TAXES (1-800-638-2937) from elsewhere, Monday - Friday, 8:30 a.m. - 4:30 p.m. Please have your account number available when you call.
Yes. We can send you a confirmation letter if you call us at 410-260-7980 from Central Maryland or toll-free 1-800-638-2937 from elsewhere.
When you call, please provide us with the following information:
No. You are not required by law to withhold; however, you may withhold as a courtesy to the employee. If taxes are not withheld, then the employee will need to make estimated tax payments. For more information see Taxable Wages.
Contact Taxpayer Service at 410-260-7980 or 1-800-638-2937 from elsewhere. Please be ready to provide:
You will receive a confirmation number when you call the telefile line. However, our representatives staffing the Taxpayer Service line cannot provide confirmation numbers.
Use Form MW508 to reconcile the W2 and 1099 data filed on paper forms.
For electronic bulk filers, the W2 reconciliation information is contained in the "RV" record, which includes all fields from Maryland Form MW508.
For electronic bulk filers, the 1099 reconciliation information the system will auto generate from the A and B record the Maryland form MW508 information.
For electronic bulk filers see www.mdtaxconnect.gov
To obtain paper Form MW508, you can email taxforms@marylandtaxes.gov or call 410-260-7980 from Central Maryland or toll-free 1-800-MD TAXES (1-800-638-2937) from elsewhere, Monday - Friday, 8:00 a.m. - 5:00 p.m.
Usually this is because of a missing report. The upper left-hand corner of the notice will show the period of the missing report with a date.
You must continue to file a return, whether or not you are withholding any income tax, until you give us written notice that you no longer have employees or no longer are liable to file the return.
You should show on your report (MW506) the proper amount of tax withheld. Send in the difference between the amount withheld and the amount of the credit. Please do not use the credit unless you have a notice from our office showing the credit.
You must request in writing that you would like to receive a refund of the credit. The request must contain an explanation of how the credit occurred.
You can close your withholding account by calling Taxpayer Service at 410-260-7980 or 1-800-638-2937 from elsewhere in Maryland, Monday - Friday, 8:30 a.m. - 4:30 p.m.
Please be ready to provide your
You can also close your account by completing and remitting both the Final Return Form MW506FR available in your withholding coupon booklet along with your final return. Both forms can be located in your coupon books or on the business tax forms page.
To change the name of your business, you must first report the change to the Maryland Department of Assessments and Taxation. (SDAT) by submitting a completed Trade Name Amendment or Cancellation Form with SDAT.
Next, send us a letter confirming the new business name and attach a copy of your completed Trade Name Amendment, Cancellation Form or Amended Articles of Incorporation.
Please include the following in your correspondence:
You can write to:
Comptroller of Maryland
Revenue Administration Center
Taxpayer Service Division
Annapolis, Maryland 21411
To report other business-related changes with SDAT, see SDAT's Forms and Applications