Form CT-1065/CT-1120SI: Connecticut Composite Income Tax Return
Used to request a five-month extension of time to file Form CT-1065/ CT-1120SI, Connecticut Composite Income Tax Return, and the same five-month extension of time to furnish Schedule CT K-1, Member’s Share of Certain Connecticut Items. If federal Form 7004 was not filed, the PE can apply for a five-month extension to file Form CT-1065/CT-1120SI if there is reasonable cause for the request.

Tax Forms and Instructions for Partnerships
A resource that to provide information regarding what a
partnership, and the individual partners, are liable for, in addition to the forms that must be filled to avoid such liability.