Comptroller of Maryland. Serving the People. Peter Franchot, Comptroller
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Corporate Estimated Tax Due Dates

Corporate estimated tax quarterly returns must be filed by the 15th day of the month as indicated below for the appropriate quarterly filing period.

Period
Due Date


 1st Quarter
 15th day of 4th Month


 2nd Quarter
 15th day of 6th Month


 3rd Quarter
 15th day of 9th Month


 4th Quarter
 15th day of 12th Month


 
Links for Filing Deadlines
General Information
Filing Deadlines
  Withholding Tax Due Dates
  Corporate Estimated Tax Due Dates
  Sales and Use Due Dates
  Tire Recycling Fee Due Dates
  Motor Carrier and Fuel Reporting Due Dates
  Admissions and Amusement Tax Due Dates
 
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