Conn. Gen. Stat. § 12-736
Penalty for failure to collect, account for and pay over tax or evasion or defeat of tax. Penalty for fraud.
(b) Any person who with fraudulent intent shall fail to pay, to deduct or to withhold and pay any tax, to make, render, sign or certify any return or to supply any information within the time required by or under this chapter shall be subject to a penalty of not more than one thousand dollars, in addition to any other amounts required under this chapter to be imposed, assessed and collected by the commissioner.