Evidence of alcohol or drugs in blood or urine.

(b) The Commissioner of Emergency Services and Public Protection shall ascertain the reliability of each method and type of device offered for chemical testing and analysis of blood, of breath and of urine and certify those methods and types which the Commissioner of Emergency Services and Public Protection finds suitable for use in testing and analysis of blood, breath and urine, respectively, in this state. The Commissioner of Emergency Services and Public Protection, after consultation with the Commissioner of Public Health, shall adopt regulations, in accordance with chapter 54, governing the conduct of chemical tests, the operation and use of chemical test devices and the training and certification of operators of such devices and the drawing or obtaining of blood, breath or urine samples as the Commissioner of Emergency Services and Public Protection finds necessary to protect the health and safety of persons who submit to chemical tests and to insure reasonable accuracy in testing results. Such regulations shall not require recertification of a peace officer solely because such officer terminates such officer's employment with the law enforcement agency for which certification was originally issued and commences employment with another such agency. (c) If a person is charged with a violation of section 15-132a , subsection (d) of section 15-133 or section 15-140 l or 15-140n , the charge may not be reduced, nolled or dismissed unless the prosecuting authority states in open court such prosecutor's reasons for the reduction, nolle or dismissal. (d) (1) In any criminal prosecution for a violation of section 15-132a , subsection (d) of section 15-133 or section 15-140 l or 15-140n , evidence that the defendant refused to submit to a blood, breath or urine test or the nontestimonial portion of a drug influence evaluation requested in accordance with section 15-140q shall be admissible provided the requirements of subsection (a) of said section have been satisfied. If a case involving a violation of section 15-132a , subsection (d) of section 15-133 or section 15-140 l or 15-140n is tried to a jury, the court shall instruct the jury as to any inference that may or may not be drawn from the defendant's refusal to submit to a blood, breath or urine test or evaluation. (2) In any prosecution for a violation of subsection (a) of this section in which it is alleged that the defendant's operation of a vessel was impaired, in whole or in part, by consumption of cannabis, as defined in section 21a-420 , the court may take judicial notice that the ingestion of cannabis (A) can impair a person's ability to operate a vessel; (B) can cause impairment of motor function, reaction time, tracking ability, cognitive attention, decision-making, judgment, perception, peripheral vision, impulse control or memory; and (C) does not enhance a person's ability to safely operate a vessel.