R.I. Gen. Laws § 33-22-6: Additional notice given — Failure to comply.

The notice prescribed by § 33-7-9 and the notice by publication in the manner as prescribed by § 33-22-11 shall also be given in all cases in which notice by mail is required by § 33-22-3, unless waived in writing by the persons entitled to such notice, but failure to comply with any of the provisions in §§ 33-22-2 and 33-22-3 shall not defeat the jurisdiction of the court or affect adversely the regularity of any proceedings in which the failure shall have occurred, and upon discovery of the failure the court may make such further orders as the circumstances may require.