R.I. Gen. Laws § 23-90-8: Immunity.

Each producer, retailer and the council shall be immune from liability for any claim of a violation of antitrust law, to the extent such producer or council is exercising authority pursuant to the provisions of this chapter, including but not limited to:

(1) The creation, implementation or management of a plan pursuant to § 23-90-5, and the types or quantities of used mattresses recycled or otherwise managed pursuant to a plan;

(2) The cost and structure of a plan; and

(3) The establishment, administration, collection or disbursement of the mattress stewardship fee associated with funding the implementation of the plan.