R.I. Gen. Laws § 33-25-6

This chapter shall apply to rights of common law and/or statutory dower or common law and/or statutory curtesy as they existed prior to April 17, 1978, but, if it should be held that this chapter cannot constitutionally apply thereto, it shall nevertheless be fully effective with regard to the estate of all persons who shall die after April 17, 1978 any other law or statute notwithstanding.