R.I. Gen. Laws § 21-28.6-7: Scope of chapter.

(a) This chapter shall not permit:

(1) Any person to undertake any task under the influence of marijuana when doing so would constitute negligence or professional malpractice;

(2) The smoking of marijuana:

(i) In a school bus or other form of public transportation;

(ii) On any school grounds;

(iii) In any correctional facility;

(iv) In any public place;

(v) In any licensed drug treatment facility in this state; or

(vi) Where exposure to the marijuana smoke significantly adversely affects the health, safety, or welfare of children;

(3) Any person to operate, navigate, or be in actual physical control of any motor vehicle, aircraft, or motorboat while under the influence of marijuana. However, a registered qualifying patient shall not be considered to be under the influence solely for having marijuana metabolites in his or her system;

(4) The operation of a medical marijuana emporium, which is expressly prohibited.

(b) Nothing in this chapter shall be construed to require:

(1) A government medical assistance program or private health insurer or workers’ compensation insurer, workers’ compensation group self-insurer, or employer self-insured for workers’ compensation under § 28-36-1 to reimburse a person for costs associated with the medical use of marijuana; or

(2) An employer to accommodate the medical use of marijuana in any workplace.

(c) Fraudulent representation to a law enforcement official of any fact or circumstance relating to the medical use of marijuana to avoid arrest or prosecution shall be punishable by a fine of five hundred dollars ($500) which shall be in addition to any other penalties that may apply for making a false statement for the nonmedical use of marijuana.