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Top Downloads

All forms and some DRS publications are in Adobe Acrobat format.  Before viewing or printing these documents you will need Adobe Acrobat Reader 7.0 or higher.   For additional assistance or if you are have trouble downloading a form, visit our Adobe Information page.
 
File Electronically for FREE!  Use the TSC.
 
CT-1040 2012 Income Tax Return
CT-1040 EXT Application for Extension of time to File 
Form to correct/amend Individual Income Tax Return
CT-8379 Form to claim nonobligated spouse
CT-8857 Form to claim innocent spouse relief
CT-3911 Form to claim a lost or stolen refund check
CT-W4 2013 Form to change your Connecticut Withholding
CT-8822 Form to Change Address
CT-1127 Application for Extension of time to Pay
REG-1 Application to Register a Business (FILLABLE)
OS-114 Form to file your Sales and Use Taxes (FILLABLE) - (to report sales made on or after July 1, 2011)
0-88 Instructions for OS-114 - (Instructions for reporting sales made on or after July 1, 2011)
OS-114 (BUS)Business Tax Return - (to report sales made on or after July 1, 2011)
O-88 (BUS) Instructions for OS-114 - BUS - (Instructions for reporting sales made on or after July 1, 2011)
OR-149 Sales Tax Chart
Resale Certificate Regulation 1 & 23
LGL-002 Form to request copies of returns or account reconciliation  (FILLABLE)
DRS-PW Form to request a Penalty Waiver  (FILLABLE)
OP-424 Form to file Business Entity Tax
Form 472 Form to file Attorney Occupational Tax
TPG-169 Form to request Individual Status Letter (FILLABLE)
TPG-170 Form to request a Business Status Letter (FILLABLE)
TPG-189 Form to change TSC Administrator (FILLABLE)
TPG-196 Form to reset Individual Password in the TSC (FILLABLE)
IP 2006(11) Publication - Getting Started in Business Guide
IP 2006(35) Publication - Contractors Guide
IP 2013(1) Publication - Withholding Tax Guide



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