R.I. Gen. Laws § 45-67-14: Alteration, amendment, repeal or severability.

The right to alter, amend, or repeal this chapter is reserved to the state, but no such alteration, amendment, or repeal shall operate to retroactively impair the obligation of any contract made or assumed by the utility district under any power conferred by this chapter. If any section, clause, provision, or term of this chapter shall be declared unconstitutional, void, ultra vires, or otherwise ineffective in whole or in part, such determination of invalidity shall not otherwise affect the validity or enforceability of any other provision of this chapter.