Comptroller of Maryland. Serving the People. Peter Franchot, Comptroller
Maryland Taxes
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I Filed A Return

You may owe even if your business filed a return. You may have forgotten to make your payment with your return, you may have filed or paid late incurring interest and penalty, or you may have made an error in calculation. There are many reasons why you may owe. If you have any questions, you should contact our Business Tax Collections section at (410) 649-0633 or email to

Links for Why Do I Owe
Business Tax Compliance
Why Do I Owe
  My Business Was Audited
  I Received A Tax Notice
  I Filed A Return
  I Didn't File a Return
  Someone Filed a Complaint or Referral
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