Connecticut Department of Revenue Services

November 2009  
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DRS and All Calendars - Events for November 2009
11/1 All Day CT-1120, Corporation Business Tax Return Due
11/11 All Day State Offices Closed
11/15 All Day OP-424, Business Entity Tax Return Due for Fiscal Year Filers
  All Day CT-1120 Estimated Corporation Business Tax Return for Fiscal Year Filers Due
  All Day CT-1065/CT-1120SI, Connecticut Composite Income Tax Return Due
  All Day CT-990T, Connecticut Unrelated Business Income Tax Return Due
11/25 All Day Monthly Cigarette Report Nonresident
  All Day Monthly Cigarette Tax Report Resident Due
  All Day Motor Fuel Tax Returns Due
  All Day OP-300, Tobacco Tax Products Return Due
11/26 All Day State Offices Closed
11/28 8 AM - 4:30 PM Mandtory EFT Payment Due Date
11/30 All Day OS-114, Business Use Tax Return Due
  All Day OS-114, Sales and Use Tax Return Due
  All Day OP-210, Room Occupancy Tax Return Due
  All Day O-372, Admissions and Dues Tax Return
  All Day O-255, Wholesale Alcoholic Beverage Tax Return