R.I. Gen. Laws § 5-19.3-9: Federal preemption.

(a) Nothing in this chapter is to be construed or applied to be less restrictive than federal law for a person or entity regulated by this chapter.

(b) Nothing in this chapter is to be construed or applied to be in conflict with any of the following:

(1) Applicable federal law and related regulations.

(2) Other laws of this state if the state law is compatible with applicable federal law.

(c) Limited distribution of a drug required under 21 U.S.C. § 355-1 is not to be construed as a violation of this chapter.