Conn. Gen. Stat. § 12-725: Documents to be signed. Certification.

(a) Any return, declaration, statement or other document required to be made pursuant to this chapter shall be signed in accordance with regulations adopted or instructions prescribed by the commissioner. The fact that an individual's name is signed to a return, declaration, statement or other document shall be prima facie evidence for all purposes that the return, declaration, statement or other document was actually signed by such individual.

(b) Any return, statement or other document required of a partnership shall be signed by one or more partners. The fact that a partner's name is signed to a return, statement or other document shall be prima facie evidence for all purposes that such partner is authorized to sign on behalf of the partnership.

(c) Any return, statement or other document required of an S corporation shall be signed by one or more officers. The fact that an officer's name is signed to a return, statement or other document shall be prima facie evidence for all purposes that such officer is authorized to sign on behalf of the S corporation.

(d) The making or filing of any return, declaration, statement or other document or copy thereof required to be made or filed pursuant to this chapter, including a copy of a federal income tax return, shall constitute a certification by the person making or filing such return, declaration, statement or other document or copy thereof that the statements contained therein are true and that any copy filed is a true copy.