Haw. Rev. Stat. § 560:3-310: Informal appointment proceedings; notice requirements.

The moving party must give notice as described by section 560:1-401 of the moving party's intention to seek an appointment informally:

(1) To any person demanding it pursuant to section 560:3-204; and

(2) To any person having a prior or equal right to appointment not waived in writing and filed with the court.

No other notice of an informal appointment proceeding is required.