Skip to main content

Numerical list by form number: CT-1 through CT-2658-E

The numerical list is split into seven sub-sections by form number prefix.

Numerical list by form number: CT-1 through CT-2658-E
Form number Instructions Form title
CT-1 Not applicable Supplement to Corporation Tax Instructions
CT-3 CT-3-I (Instructions) General Business Corporation Franchise Tax Return
CT-3.1 CT-3.1-I (Instructions) Investment and Other Exempt Income and Investment Capital
CT-3.2 CT-3.2-I (Instructions) Subtraction Modification for Qualified Banks
CT-3.3 CT-3.3-I (Instructions) Prior Net Operating Loss Conversion (PNOLC) Subtraction
CT-3.4 CT-3.4-I (Instructions) Net Operating Loss Deduction (NOLD)
CT-3-A CT-3-A-I (Instructions) General Business Corporation Combined Franchise Tax Return.  
CT-3-A/BC CT-3-A/BC-I (Instructions) Member's Detail Report - Filed by a Corporation included in a Combined Franchise Tax Return
CT-3-M CT-3-M-I (Instructions) General Business Corporation MTA Surcharge Return. (The form number was previously CT-3M/4M.)
CT-3-S CT-3-S-I (Instructions) New York S Corporation Franchise Tax Return. 
CT-5 CT-5-I (Instructions) Request for Six-Month Extension to File (for franchise/business taxes, MTA surcharge, or both)
CT-5.1 CT-5.1-I (Instructions) Request for Additional Extension of Time to File (for franchise/business taxes, MTA surcharge, or both)
CT-5.3 CT-5.3-I (Instructions) Request for Six-Month Extension to File (for combined franchise tax return, or combined MTA surcharge return, or both)
CT-5.4 CT-5.4-I (Instructions) Request for Six-Month Extension to File New York S Corporation Franchise Tax Return
CT-5.6 CT-5.6-I (Instructions) Request for Three-Month Extension to File Form CT-186 (for utility corporation franchise tax return, MTA surcharge return, or both) 
CT-5.9 CT-5.9-I (Instructions) Request for Three-Month Extension to File (for certain Article 9 tax returns, MTA surcharge, or both)
CT-5.9-E CT-5.9-E-I (Instructions) Request for Three-Month Extension to File Form CT-186-E (for telecommunications tax return and utility services tax return)
CT-6 (Fill-in) CT-6-I (Instructions) Election by a Federal S Corporation to be Treated as a New York S Corporation
CT-6.1 Instructions on form Termination of Election to be Treated As a New York S Corporation
CT-13 CT-13-I (Instructions) Unrelated Business Income Tax Return
CT-33  CT-33-I (Instructions) Life Insurance Corporation Franchise Tax Return. 
CT-33-A  CT-33-A-I (Instructions) Life Insurance Corporation Combined Franchise Tax Return.  
CT-33-A/ATT CT-33-A-I (Instructions) Schedules A, B, C, D, and E - Attachment to Form CT-33-A
CT-33-A/B CT-33-A-I (Instructions) Subsidiary Detail Spreadsheet
CT-33-C CT-33-C-I (Instructions) Captive Insurance Company Franchise Tax Return
CT-33-D CT-33-D-I (Instructions) Tax on Premiums Paid or Payable To an Unauthorized Insurer - For Taxable Insurance Contracts with an Effective Date on or after July 21, 2011. See TSB-M-11(7)C, (7)I for more information. See notice about address change.
CT-33-M CT-33-M-I (Instructions) Insurance Corporation MTA Surcharge Return
CT-33-NL CT-33-NL-I (Instructions) Non-Life Insurance Corporation Franchise Tax Return
CT-33-R Instructions on form Claim for Retaliatory Tax Credits
CT-33.1 CT-33.1-I (Instructions) Claim for CAPCO Credit
CT-33.2 CT-33.2-I (Instructions) Life Insurance Company Guaranty Corporation Credit. Also see Life Insurance Company Guaranty Corporation credit 
CT-34-SH CT-34-SH-I (Instructions) New York S Corporation Shareholders' Information Schedule
CT-37 Instructions on form Servicing Mortgages Credit
CT-40 CT-40-I (Instructions) Claim for Alternative Fuels Credit
CT-41 CT-41-I (Instructions) Claim for Credit for Employment of Persons with Disabilities
CT-43 CT-43-I (Instructions) Claim for Special Additional Mortgage Recording Tax Credit
CT-44 CT-44-I (Instructions) Claim for Investment Tax Credit for the Financial Services Industry
CT-46 CT-46-I (Instructions) Claim for Investment Tax Credit
CT-47 CT-47-I (Instructions) Claim for Farmers' School Tax Credit
CT-47.1 CT-47.1-I (Instructions) Election or Termination of Election to Deem Income for Purposes of the Farmers’ School Tax Credit
CT-48 CT-48-I (Instructions) Utility COVID-19 Debt Relief Credit
CT-51 Instructions on form Combined Filer Statement for Newly Formed Groups Only
CT-60 CT-60-I (Instructions) Affiliated Entity Information Schedule. (The form number was previously CT-60-QSSS.)
CT-120 Instructions on form Resale Certificate for Telecommunication Purchases
CT-183 (Fill-in) CT-183/184-I (Instructions) Transportation and Transmission Corporation Franchise Tax Return on Capital Stock
CT-183-M (Fill-in) CT-183-M-I (Instructions) Transportation and Transmission Corporation MTA Surcharge Return
CT-184 (Fill-in) CT-183/184-I (Instructions) Transportation and Transmission Corporation Franchise Tax Return on Gross Earnings
CT-184-M (Fill-in) CT-184-M-I (Instructions) Transportation and Transmission Corporation MTA Surcharge Return
CT-184-R (Fill-in) CT-184-R-I (Instructions) Foreign Bus and Taxicab Corporation Tax Return. This form has been discontinued.
CT-185 CT-185-I Cooperative Agricultural Corporation Franchise Tax Return. This form has been discontinued.
CT-186 (Fill-in) CT-186-I (Instructions) Utility Corporation Franchise Tax Return
CT-186-E (Fill-in) CT-186-E-I (Instructions) Telecommunications Tax Return and Utility Services Tax Return
CT-186-M CT-186-M-I (Instructions) Utility Corporation MTA Surcharge Return
CT-186-P CT-186-P-I (Instructions) Utility Services Tax Return - Gross Income
CT-186-P/M CT-186-P/M-I (Instructions) Utility Services MTA Surcharge Return
CT-187 Instructions on form Election or Revocation of Election By Railroad and Trucking Corporations To Be Taxable Under Article 9
CT-189-WR CT-189-WR-I Claim for Refund of Section 189 Tax and Tax Surcharges. This form has been discontinued.
CT-222 CT-222-I (Instructions) Underpayment of Estimated Tax by a Corporation
CT-222.1 Instructions on form Election to Use Different Annualization Periods for Corporate Estimated Tax
CT-223 Instructions on form Innovation Hot Spot Deduction
CT-224 CT-224-I (Instructions) Public Utility, Power Producer, and Pipeline Adjustments
CT-225 CT-225-I (Instructions) New York State Modifications.  
CT-225-A CT-225-A-I (Instructions) New York State Modifications (for filers of combined franchise tax returns).  
CT-225-A/B CT-225-A-I (Instructions) Group Member's Detail Spreadsheet, New York State Modifications (for filers of combined franchise tax returns).
CT-227 Instructions on form New York State Voluntary Contributions
CT-236 CT-236-I (Instructions) Credit for Taxicabs and Livery Service Vehicles Accessible to Persons With Disabilities - For costs incurred on or after January 1, 2011
CT-238 CT-238-I (Instructions) Claim for Rehabilitation of Historic Properties Credit
CT-239 Instructions on form Claim for Credit for Taxicabs and Livery Service Vehicles Accessible to Persons With Disabilities - For purchases or costs incurred before January 1, 2011
CT-241 CT-241 (Instructions) Claim for Clean Heating Fuel Credit
CT-242 CT-242-I (Instructions) Claim for Conservation Easement Tax Credit
CT-243 CT-243-I Biofuel Production Credit. This form has been discontinued.
CT-246 Instructions on form Claim for Empire State Commercial Production Credit
CT-247 Instructions on form Application for Exemption from Corporation Franchise Taxes By a Not-for-Profit Organization
CT-248 CT-248-I (Instructions) Claim for Empire State Film Production Credit
CT-249 Instructions on form Claim for Long-Term Care Insurance Credit
CT-250 CT-250-I (Instructions) Credit for Purchase of an Automated External Defibrillator
CT-259 Instructions on form Claim for Fuel Cell Electric Generating Equipment Credit. This form has been discontinued.
CT-261 CT-261-I (Instructions) Claim for Empire State Film Post-Production Credit
CT-300 CT-300-I (Instructions) Mandatory First Installment (MFI) of Estimated Tax for Corporations. Note: This form has a new mailing address.
See TSB-M-16(10)C, Changes to the Mandatory First Installment of Estimated Tax for Corporations, for more information.
CT-396 Not Applicable Report of License Fee Rural Electric Cooperative Corporations. This form has been discontinued.
CT-397 Instructions on form Report of Annual License Fee Agricultural Cooperative Marketing or Financing Corporations and District Heating/Cooling Cooperatives. This form has been discontinued.
CT-399 CT-399-I (Instructions) Depreciation Adjustment Schedule
CT-400 CT-400-I (Instructions) Estimated Tax for Corporations. Note: This form has a new mailing address.
CT-500 (2012) CT-500-I (Instructions) Corporation Tax Credit Deferral - For tax year 2012
CT-501 Instructions on form Temporary Deferral Nonrefundable Payout Credit
CT-502 Discontinued Temporary Deferral Refundable Payout Credit. This form has been discontinued.
CT-600 CT-600-I (Instructions) Ordering of Corporation Tax Credits
CT-601 CT-601-I (Instructions) Claim for EZ Wage Tax Credit Including the ZEA Wage Tax Credit
CT-602 CT-602-I (Instructions) Claim for EZ Capital Tax Credit
CT-603 CT-603-I (Instructions) Claim for EZ Investment Tax Credit and EZ Employment Incentive Credit
CT-604 CT-604-I (Instructions) Claim for QEZE Tax Reduction Credit
CT-604-CP CT-604-CP-I (Instructions) Claim for QEZE Credit for Real Property Taxes and QEZE Tax Reduction Credit for Corporate Partners
CT-605 CT-605-I (Instructions) Claim for EZ Investment Tax Credit and EZ Employment Incentive Credit for the Financial Services Industry
CT-606 CT-606-I (Instructions) Claim for QEZE Credit for Real Property Taxes
CT-607 CT-607-I (Instructions) Claim for Excelsior Jobs Program Tax Credit
CT-611 CT-611-I (Instructions) Claim for Brownfield Redevelopment Tax Credit - For Qualified Sites Accepted into the Brownfield Cleanup Program Prior to June 23, 2008
CT-611.1 CT-611.1-I (Instructions) Claim for Brownfield Redevelopment Tax Credit - For Qualified Sites Accepted into the Brownfield Cleanup Program on or after June 23, 2008 and Prior to July 1, 2015
CT-611.2 CT-611.2-I (Instructions) Claim for Brownfield Redevelopment Tax Credit For Qualified Sites Accepted into the Brownfield Cleanup Program on or After July 1, 2015
CT-612 CT-612-I (Instructions) Claim for Remediated Brownfield Credit For Real Property Taxes For Qualified Sites Accepted into the Brownfield Cleanup Program Prior to July 1, 2015
CT-613 CT-613-I (Instructions) Claim for Environmental Remediation Insurance Credit For Qualified Sites Accepted into the Brownfield Cleanup Program Prior to July 1, 2015
CT-631 CT-631-I (Instructions) Claim for Security Officer Training Tax Credit
CT-633 CT-633-I (Instructions) Economic Transformation and Facility Redevelopment Program Tax Credit
CT-634 CT-634-I (Instructions) Empire State Jobs Retention Program Credit
CT-635 CT-635-I (Instructions) New York Jobs Program Tax Credit, and Instructions
CT-636 CT-636-I (Instructions) Alcoholic Beverage Production Credit
CT-637 CT-637-I (Instructions) Alternative Fuels and Electric Vehicle Recharging Property Credit
CT-638 CT-638-I (Instructions) START-UP NY Tax Elimination Credit
CT-639 CT-639-I Minimum Wage Reimbursement Credit. This form has been discontinued.
CT-639-ATT CT-639-I Eligible Employee Information for the Minimum Wage Reimbursement Credit - Attachment to Form CT-639. This form has been discontinued.
CT-640 CT-640-I (Instructions) START-UP NY Telecommunication Services Excise Tax Credit
CT-641 CT-641-I (Instructions) Manufacturer's Real Property Tax Credit
CT-642 CT-642-I (Instructions) Empire State Musical and Theatrical Production Credit
CT-643 CT-643-I (Instructions) Hire a Veteran Credit
CT-644 CT-644-I (Instructions) Workers with Disabilities Tax Credit
CT-645 CT-645-I (Instructions) Recapture of START-UP NY Tax Benefits
CT-646 CT-646-I (Instructions) Employee Training Incentive Program Tax Credit  
CT-647 CT-647-I (Instructions) Farm Workforce Retention Credit
CT-647-ATT CT-647-I (Instructions) Eligible Farm Employee Information for the Farm Workforce Retention Credit - Attachment to Form CT-647
CT-648 CT-648-I (Instructions) Life Sciences Research and Development Tax Credit
CT-649 CT-649-I (Instructions) Farm Donations to Food Pantries Credit
CT-650 CT-650-I (Instructions) Empire State Apprenticeship Tax Credit
CT-651 CT-651-I (Instructions) Recovery Credit
CT-652 CT-652-I (Instructions) Employer-Provided Childcare Credit
CT-654 CT-654-I (Instructions) New York City Musical and Theatrical Production Tax Credit
CT-655 Instructions on Form Restaurant Return-to-Work Credit
CT-656 CT-656-I (Instructions) Grade Number 6 Heating Oil Conversion Credit
CT-657 CT-657-I (Instructions) COVID-19 Capital Costs Credit
CT-658 CT-658-I (Instructions) Additional Restaurant Return-to-Work Credit
CT-660 CT-660-I (Instructions) Empire State Digital Gaming Media Production Credit
CT-662 CT-662-I (Instructions) Child Care Creation and Expansion Credit
CT-2658 (Fill-in) (2024) CT-2658-I (Instructions) Report of Estimated Tax for Corporate Partners; Description of Form CT-2658 ; Payments due April 15, June 17, September 16, 2024, and January 15, 2025

Form CT-2658 is used by partnerships to report and pay estimated tax on behalf of partners that are C corporations.

CT-2658-ATT (Fill-in) (2024) CT-2658-I (Instructions) Attachment to Report of Estimated Tax for Corporate Partners; Description of Form CT-2658-ATT ; Payments due April 15, June 17, September 16, 2023, and January 15, 2025

This form is a continuation sheet used by partnerships to report and pay estimated tax on behalf of partners that are C corporations that did not get listed on Form CT-2658 (due to lack of space).

CT-2658-E (Fill-in) (12/23) CT-2658-E-I (Instructions) Certificate of Exemption from Partnership Estimated Tax Paid on Behalf of Corporate Partners (Expires February 1, 2026)

Updated: