1. (1) Wilful failure to file return. Any person required under this chapter to pay any tax, or required under this chapter or by regulations thereunder to make a return, keep any record or supply any information, who wilfully fails to pay such tax, make such return, keep such records or supply such information, at the time required by law, shall, in addition to any other penalty provided by law, be fined not more than one thousand dollars or imprisoned not more than one year or both. Notwithstanding the provisions of section 54-193, no person shall be prosecuted for a violation of the provisions of this subsection committed on or after July 1, 1997, except within three years next after such violation has been committed. As used in this section, “person” includes any officer or employee of a corporation, or a member or employee of a partnership under a duty to pay such tax, make such return, keep such records or supply such information.
2. (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. (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.

(1949 Rev., S. 2112; P.A. 76-243; P.A. 88-314, S. 28, 54; May Sp. Sess. P.A. 94-4, S. 78, 85; P.A. 95-160, S. 64, 69; P.A. 97-203, S. 6, 20; P.A. 13-258, S. 50.)

History: P.A. 76-243 amended Subsec. (1) to remove from provisions those who render false or fraudulent return and to increase fine from $500 to $1,000 and term of imprisonment from 30 days to 3 months and amended Subsec. (2) to delete reference to fraudulent return, to delete minimum fine and to set minimum imprisonment at one year and maximum imprisonment at five years, replacing previous provision which set imprisonment at “not more than one year”; P.A. 88-314 replaced existing section concerning failure to file a return or data as required, filing a false return with intent to defraud and applicable penalties, and substituted in lieu thereof the provisions related to these subjects as currently used in state taxes as follows: Wilful failure to make a return as required, including penalty provisions, wilful delivery of any return or document known to be false, including penalty provisions and penalties applicable in the event of knowing violations for which there is no specific penalty, effective July 1, 1988, and applicable to any tax which first becomes due and payable on or after said date, to any return or report due on or after said date, or in the case of any ongoing obligation imposed in accordance with said act, to the tax period next beginning on or after said date; May Sp. Sess. P.A. 94-4 in Subdiv. (2) increased penalty for a violation of the Subdiv. from not more than one year to not more than five years nor less than one year, effective June 9, 1994; P.A. 95-160 revised effective date of May Sp. Sess. P.A. 94-4 but without affecting this section; P.A. 97-203 amended Subsec. (1) to extend to three years the time within which persons wilfully failing to file tax returns or pay taxes may be criminally prosecuted, effective July 1, 1997; P.A. 13-258 amended Subsec. (2) to change penalty from fine of not more than $5,000 or imprisonment of not more than 5 years or less than 1 year to a class D felony.