Connecticut Department of Revenue Services Forms

This Form is used for filing an application to extend the deadline for filing the Connecticut Domestic Insurance Premiums Tax Return or Health Care Center Tax Return.

This Form is used for reporting gross earnings tax for CATV community antenna television system companies in Connecticut.

This Form is used for satellite companies in Connecticut to report their gross earnings for tax purposes.

This form is used for reporting and paying the Connecticut solid waste assessment.

This Form is used for applying for an extension of time to pay quarterly health care provider fees in Connecticut.

This Form is used for the Second Hospital User Fee Return in Connecticut.

This form is used for requesting an extension of time to file the Connecticut pass-through entity tax return for Connecticut residents or businesses.

This form is used for filing the Connecticut Pass-Through Entity Tax Return for Connecticut residents.

This document is used for making estimated tax payments for pass-through entities in Connecticut.

This form is used for calculating alternative base for Connecticut state taxes.

This document is a supplemental attachment used for calculating the composite income tax remittance for nonresident electing composite filers in Connecticut.

This form is used for reporting and paying the real estate conveyance tax in Connecticut.

This document is used for calculating the allocation of real estate conveyance tax in Connecticut.

This Form is used for providing supplemental information for a Connecticut Real Estate Conveyance Tax Return for Grantors in Connecticut. It is used to disclose additional details related to the real estate transaction.

This document is used for filing the Connecticut Pass-Through Entity Tax Return for Connecticut residents. It provides instructions for completion and submission of Form CT-1065/CT-1120SI.

This Form is used for reporting and paying the Gross Earnings Tax on Railroad Companies in the state of Connecticut.

This form is used for reporting and paying room occupancy taxes in the state of Connecticut.

This form is used for filing the supplemental attachment for Connecticut Pass-Through Entity Tax Return. It is specifically for entities in Connecticut.

This form is used for submitting estimated unrelated business income tax in the state of Connecticut.