R.I. Gen. Laws § 45-21-55: Retired members of the town of Warren.

Every person, who was an employee of the town of Warren receiving retirement benefits prior to July 1, 1974, shall be paid benefits at a rate equivalent to that in effect for retirees on and after July 1, 1974; provided, that the town of Warren shall annually contribute to the system those sums in accordance with the provisions of § 45-21-42 that are deemed necessary to carry out the purpose of this section.