2017 Corporation Tax Forms
Booklets
|
Name |
Description |
Revised |
|
2017 Connecticut Corporation Business Tax Instructions |
01/2018
|
Business Tax Returns
|
Name |
Description |
Revised |
|
2017 Corporation Business Tax Return |
12/2017 |
|
|
Corporation Business Tax Return Apportionment Computation (with instructions) |
12/2017 |
|
|
Corporation Business Tax Return Attachment Schedules H, I, and J (with instructions) |
12/2017 |
|
|
Add Back and Exceptions to Add Back of Interest and Intangible Expenses |
12/2016 |
|
|
Business Tax Credit Summary |
12/2017 |
|
|
Computation of Interest Due on Underpayment of Estimated Tax (with instructions) |
12/2017 |
|
|
Application for Extension of Time to File Corporation Business Tax Return (with instructions) |
12/2017 |
|
|
2017 Estimated Corporation Business Tax Payment Coupons |
01/2017 |
|
|
2018 Estimated Corporation Business Tax Payment Coupons |
12/2017 |
|
|
Amended Corporation Business Tax Return |
12/2017 |
|
|
Amended Corporation Business Tax Return (Instructions) |
12/2017 |
|
|
2017 Combined Unitary Corporation Business Tax Booklet |
01/2018 |
|
|
2017 Combined Unitary Corporation Business Tax Return |
12/2017 |
|
|
2017 Apportionment Computation for Combined Unitary Filers |
12/2017 |
|
|
2017 Tax on Combined Group Net Income |
12/2017 |
|
|
2017 Tax on Combined Group Minimum Tax Base |
12/2017 |
|
|
2017 Combined Group Member Information |
12/2017 |
|
|
2017 Nexus Combined Base Tax Calculation |
12/2017 |
Other Corporation Forms
|
Name |
Description |
Revised |
|
Reinstatement Guarantee Declaration for Non-stock Corporations |
03/2008 |
|
|
Dissolution Guarantee Declaration for Stock Corporations |
04/2008 |
|
|
Withdrawal Guarantee Declaration for Corporations |
03/2008 |
|
|
Reinstatement Guarantee Declaration for Stock Corporations |
03/2008 |
|
|
Corporation Business Tax Return Apportionment Computation-Air Carriers |
03/2017 |
|
|
Corporation Business Tax Return Apportionment Computation - Motor Bus and Motor Carrier Companies |
12/2016 |
|
|
Corporation Business Tax Return Apportionment Computation - Broadcasters and Production Entities |
12/2016 |
|
|
Corporation Business Tax Return Apportionment Computation of Income from Credit Card Activities |
12/2016 |
|
|
Corporation Business Tax Return Apportionment Computation of Income from Financial Service Companies Activities |
12/2017 |
|
|
Corporation Business Tax Return Apportionment Computation of Income from Services to Regulated Investment Companies |
12/2016 |
|
|
Corporation Business Tax Return Apportionment of Limited Partnership Interests |
12/2017 |
|
|
Corporation Business Tax Return Apportionment Computation - Securities Brokerage Services |
12/2016 |
|
|
Information Return for Passive Investment Companies |
12/2017 |
Credit Forms
|
Name |
Description |
Revised |
|
Apprenticeship Training Tax Credit |
12/2017 |
|
|
Digital Animation Tax Credit |
12/2017 |
|
|
Donation of Land Credit |
12/2017 |
|
|
Electronic Data Processing Equipment Property Tax Credit |
12/2017
|
|
|
Fixed Capital Investment Credit |
12/2017
|
|
|
Film Production Tax Credit |
12/2017 |
|
|
Film Production Infrastructure Tax Credit |
12/2017
|
|
|
Green Building Tax Credit |
12/2017 |
|
|
Human Capital Investment Credit |
12/2017
|
|
|
Historic Homes Rehabilitation Tax Credit |
12/2017 |
|
|
Historic Preservation Tax Credit |
12/2017 |
|
|
Housing Program Contribution Credit |
12/2017 |
|
|
Historic Rehabilitation Tax Credit |
12/2017 |
|
|
Historic Structures Rehabilitation Tax Credit |
12/2017 |
|
|
Insurance Reinvestment Fund Credit |
12/2017 |
|
|
Machinery and Equipment Expenditure Credit |
12/2017
|
|
|
Research and Experimental Expenditures Credit |
12/2017 |
|
|
Research and Development Credit |
12/2017 |
|
|
Small Business Guaranty Fee Tax Credit |
12/2017 |
|
|
Service Facility Credit |
12/2017 |
|
|
Manufacturing Facility Credit for Facilities Located in a Targeted Investment Community/Enterprise Zone |
12/2017 |
|
|
Urban and Industrial Site Reinvestment Credit |
12/2017 |
|
|
Application for Exchange of Research and Development or Research and Experimental |
12/2017 |