R.I. Gen. Laws § 28-7-49: No limitation on healthcare benefit providers.

No collective bargaining agreement covering any group or groups of state employees, public school teachers, or employees of any city or town, ratified after August 1, 2008, shall specify that an employer must procure a healthcare benefit plan from a specific provider of such plans. The technical qualifications of the healthcare benefit plan, to be contracted for, shall not be framed or constructed in a manner designed to identify an exclusive provider of said healthcare services.