R.I. Gen. Laws § 33-8-9: Administration of partially intestate estate.

If a will which disposes of only a part of the estate of a testator is admitted to probate, the executor of the will, or the administrator with the will annexed, shall, unless otherwise provided in the will, and except as provided in the second clause of § 33-8-8, be ex officio the administrator of the intestate estate, and shall give bond to cover all his or her duties.