Conn. Gen. Stat. § 9-623
Sec. 9-623. (Formerly Sec. 9-333y). Penalties.
(b) (1) If any treasurer fails to file any statement required by section 9-608 , or if any candidate fails to file either (A) a statement for the formation of a candidate committee as required by section 9-604 , or (B) a certification pursuant to section 9-603 that the candidate is exempt from forming a candidate committee as required by section 9-604 , within the time required, the treasurer or candidate, as the case may be, shall pay a late filing fee of one hundred dollars.
(2) In the case of any such statement or certification that is required to be filed with the State Elections Enforcement Commission, the commission shall, not later than ten days after the filing deadline is, or should be, known to have passed, notify by certified mail, return receipt requested, the person required to file that, if such statement or certification is not filed not later than twenty-one days after such notice, the person is in violation of section 9-603 , 9-604 or 9-608 .
(3) In the case of any such statement or certification that is required to be filed with a town clerk, the town clerk shall forthwith after the filing deadline is, or should be, known to have passed, notify by certified mail, return receipt requested, the person required to file that, if such statement or certification is not filed not later than seven days after the town clerk mails such notice, the town clerk shall notify the State Elections Enforcement Commission that the person is in violation of section 9-603 , 9-604 or 9-608 .
(4) The penalty for any violation of section 9-603 , 9-604 or 9-608 shall be a fine of not less than two hundred dollars or more than two thousand dollars or imprisonment for not more than one year, or both.
“Knowingly and wilfully” under this section, compared with “knowingly” as applied to campaign treasurers in Sec. 9-622(7), supports conclusion that the former is more than mere knowledge of the act and intermediate level of intent strikes the proper balance. 330 C. 344.