(a) No person shall operate a motor vehicle in which a child under eighteen years of age is a passenger while such person (1) is under the influence of intoxicating liquor or any drug or both, or (2) has an elevated blood alcohol content. For the purposes of this section, “elevated blood alcohol content” means a ratio of alcohol in the blood of such person that is eight-hundredths of one per cent or more of alcohol, by weight, except that if such person is operating a commercial motor vehicle, “elevated blood alcohol content” means a ratio of alcohol in the blood of such person that is four-hundredths of one per cent or more of alcohol, by weight, and if such person is under twenty-one years of age, “elevated blood alcohol content” means a ratio of alcohol in the blood of such person that is two-hundredths of one per cent or more of alcohol by weight; and “motor vehicle” includes a snowmobile and all-terrain vehicle, as those terms are defined in § 14-379.

(b) The provisions of subsections (b), (c), (d), (e), (f), (h), (i), (j), (k) and (l) of § 14-227a, adapted accordingly, shall be applicable to a violation of subsection (a) of this section.

(c) Any person who violates any provision of subsection (a) of this section shall: (1) For conviction of a first violation, (A) be fined not less than five hundred dollars or more than two thousand dollars, (B) be imprisoned not more than one year, thirty consecutive days of which may not be suspended or reduced in any manner, and sentenced to a period of probation requiring as a condition of such probation that such person: (i) Perform one hundred hours of community service, as defined in § 14-227e, (ii) submit to an assessment through the Court Support Services Division of the Judicial Branch of the degree of such person’s alcohol or drug abuse, (iii) undergo a treatment program, including chemical screening, if so ordered, (iv) submit to an interview and evaluation by the Department of Children and Families to assess any ongoing risk posed to any child who was a passenger in the motor vehicle at the time of the violation, and (v) cooperate with any programming, treatment, directives or plan if so ordered by the Department of Children and Families, and (C) have such person’s motor vehicle operator’s license or nonresident operating privilege suspended for forty-five days and, as a condition for the restoration of such license, be required to install an ignition interlock device on each motor vehicle owned or operated by such person and, upon such restoration, be prohibited for the one-year period following such restoration from operating a motor vehicle unless such motor vehicle is equipped with a functioning, approved ignition interlock device, as defined in § 14-227j; (2) for conviction of a second violation of this section not later than ten years after a prior conviction for the same offense, (A) be fined not less than one thousand dollars or more than four thousand dollars, (B) be imprisoned not more than three years, one hundred eighty consecutive days of which may not be suspended or reduced in any manner and sentenced to a period of probation requiring as a condition of such probation that such person: (i) Perform one hundred hours of community service, as defined in § 14-227e, (ii) submit to an assessment through the Court Support Services Division of the Judicial Branch of the degree of such person’s alcohol or drug abuse, (iii) undergo a treatment program, including chemical screening, if so ordered, (iv) submit to an interview and evaluation by the Department of Children and Families to assess any ongoing risk posed to any child who was a passenger in the motor vehicle at the time of the violation, and (v) cooperate with any programming, treatment, directives or plan if so ordered by the Department of Children and Families, and (C) have such person’s motor vehicle operator’s license or nonresident operating privilege suspended for forty-five days and, as a condition for the restoration of such license, be required to install an ignition interlock device on each motor vehicle owned or operated by such person and, upon such restoration, be prohibited for the three-year period following such restoration from operating a motor vehicle unless such motor vehicle is equipped with a functioning, approved ignition interlock device, as defined in § 14-227j, except that for the first year of such three-year period, such person’s operation of a motor vehicle shall be limited to such person’s transportation to or from work or school, an alcohol or drug abuse treatment program, an ignition interlock device service center, a treatment program ordered by the Department of Children and Families or an appointment with a probation officer or Department of Children and Families caseworker; and (3) for a third or subsequent conviction of a violation of this section not later than ten years after a prior conviction for the same offense, (A) be fined not less than two thousand dollars or more than eight thousand dollars, (B) be imprisoned not more than five years, two years of which may not be suspended or reduced in any manner, and sentenced to a period of probation requiring as a condition of such probation that such person: (i) Perform one hundred hours of community service, as defined in § 14-227e, (ii) submit to an assessment through the Court Support Services Division of the Judicial Branch of the degree of such person’s alcohol or drug abuse, (iii) undergo a treatment program, including chemical screening, if so ordered, (iv) submit to an interview and evaluation by the Department of Children and Families to assess any ongoing risk posed to any child who was a passenger in the motor vehicle at the time of the offense, and (v) cooperate with any programming, treatment, directives or plan if so ordered by the Department of Children and Families, and (C) have such person’s motor vehicle operator’s license or nonresident operating privilege permanently revoked upon such third offense, except that if such person’s revocation is reversed or reduced pursuant to subsection (i) of § 14-111, such person shall be prohibited from operating a motor vehicle unless such motor vehicle is equipped with a functioning, approved ignition interlock device, as defined in § 14-227j, for the time period prescribed in subdivision (2) of subsection (i) of § 14-111. For purposes of the imposition of penalties for a second or third and subsequent offense pursuant to this subsection, a conviction under the provisions of subsection (a) of this section, subsection (a) of § 14-227a, subsection (a) of § 14-227g, subdivision (1) or (2) of subsection (a) of § 14-227n, subsection (a) of § 53a-56b or subsection (a) of § 53a-60d or a conviction in any other state of any offense, the essential elements of which are determined by the court to be substantially the same as the elements of the aforementioned provisions, shall constitute a prior conviction for the same offense.