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Connecticut Free Printable  for 2021 Connecticut NAICS Codes for Principal Business Activity for Company

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NAICS Codes for Principal Business Activity for Company
Form CT-NAICS

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Extracted from PDF file , last modified December 1969

More about the Connecticut Form CT-NAICS Corporate Income Tax TY 2020

We last updated the NAICS Codes for Principal Business Activity for Company in February 2021, so this is the latest version of Form CT-NAICS, fully updated for tax year 2020. You can download or print current or past-year PDFs of Form CT-NAICS directly from TaxFormFinder. You can print other Connecticut tax forms here.

Other Connecticut Corporate Income Tax Forms:

TaxFormFinder has an additional 85 Connecticut income tax forms that you may need, plus all federal income tax forms.

Form Code Form Name
Form CT-1120 Instructions Connecticut Corporation Business Tax Instructions
Form CT-1120 EXT Application for Extension of Time to File Connecticut Corporation Tax Return
Form CT-1120 Corporation Business Tax Return
Form CT-1120 CU Combined Unitary Corporation Business Tax Return
Form CT-1120 ES Estimated Corporation Business Tax Payment Coupons

Download all CT tax forms View all 86 Connecticut Income Tax Forms


Form Sources:

Connecticut usually releases forms for the current tax year between January and April. We last updated Connecticut Form CT-NAICS from the Department of Revenue Services in February 2021.

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About the Corporate Income Tax

The IRS and most states require corporations to file an income tax return, with the exact filing requirements depending on the type of company.

Sole proprietorships or disregarded entities like LLCs are filed on Schedule C (or the state equivalent) of the owner's personal income tax return, flow-through entities like S Corporations or Partnerships are generally required to file an informational return equivilent to the IRS Form 1120S or Form 1065, and full corporations must file the equivalent of federal Form 1120 (and, unlike flow-through corporations, are often subject to a corporate tax liability).

Additional forms are available for a wide variety of specific entities and transactions including fiduciaries, nonprofits, and companies involved in other specific types of business.

Historical Past-Year Versions of Connecticut Form CT-NAICS

We have a total of eight past-year versions of Form CT-NAICS in the TaxFormFinder archives, including for the previous tax year. Download past year versions of this tax form as PDFs here:


2019 Form CT-NAICS

Form CT-NAICS.pmd

2017 Form CT-NAICS

Form CT-NAICS.pmd

2016 Form CT-NAICS

Form CT-NAICS.pmd

NAICS Codes 2015 Form CT-NAICS

Form CT-NAICS.pmd

NAICS Codes 2014 Form CT-NAICS

Form CT-NAICS.pmd

NAICS Codes 2013 Form CT-NAICS

Form CT-NAICS.pmd

NAICS Codes 2012 Form CT-NAICS

Form CT-NAICS.pmd

NAICS Codes 2011 Form CT-NAICS

Form CT-NAICS.pmd


TaxFormFinder Disclaimer:

While we do our best to keep our list of Connecticut Income Tax Forms up to date and complete, we cannot be held liable for errors or omissions. Is the form on this page out-of-date or not working? Please let us know and we will fix it ASAP.

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Source: http://www.taxformfinder.org/connecticut/form-ct-naics