Connecticut Businesses

State of Connecticut Business Income Tax Extensions – Tax Year 2009

E-file an IRS business tax extension with FileLater.

GENERAL INSTRUCTIONS

The State of Connecticut requires that you file for a business state income tax extension, regardless of whether you owe additional state income taxes or expect a refund. If the form is completed accurately and on time, and any tax liability is paid by your original tax deadline, you will be granted an automatic 6 month tax extension. If you were not granted a federal extension, you will need to provide a reason for your requested state extension.

Filing a Connecticut tax extension will not provide you with additional time to pay any tax balance due, which must be paid by your original tax deadline or interest and other payment penalties may apply.

For additional information, please visit the State of Connecticut Department of Revenue Services website.

CONNECTICUT STATE INCOME TAX EXTENSION FORMS

On the web:
Connecticut Online Tax Extensions (this link will take you to a site not managed by FileLater)

Print and Mail:
C-Corporations: Connecticut State Tax Extension Form CT-1120 EXT (PDF)
LLC, Partnership, and S-Corporations: Connecticut State Tax Extension Form CT-1065/CT-1120SI EXT (PDF)

Mail with payment to:
Department of Revenue Services
State of Connecticut
PO Box 2974
Hartford CT 06104-2974

Mail without payment to:
Department of Revenue Services
PO Box 150406
Hartford CT 06115-0406

FileLater provides a secure online solution for individuals and businesses seeking to e-file an IRS income tax extension. FileLater is an authorized IRS e-file
provider and files both IRS 4868 and IRS 7004 forms electronically. Prices determined at the time of efile and are subject to change without notice.
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