Conn. Gen. Stat. § 12-428
Wilful violations and corresponding penalties.
(2) Wilful delivery of false return or document. Any person who wilfully delivers or discloses to the commissioner or his authorized agent any list, return, account, statement or other document, known by him to be fraudulent or false in any material matter, shall, in addition to any other penalty provided by law, be guilty of a class D felony. No person shall be charged with an offense under both subsections (1) and (2) of this section in relation to the same tax period but such person may be charged and prosecuted for both such offenses upon the same information.
(3) Penalties for certain violations. Any person who knowingly violates any provision of this chapter for which no other penalty is provided, shall be fined not more than one thousand dollars or imprisoned not more than one year or both for each offense.
Subdiv. (1):
Requires state to prove the defendant was a person required by law to pay state sales tax and that defendant wilfully failed to do so, but does not require state to prove the name of the entity owing the sales tax. 204 CA 249.