Haw. Rev. Stat. § 327-36: Final disposition of anatomical gifts.

A person or procurement organization that holds a dead human body as a result of an anatomical gift shall, when the body is deemed of no further value for purposes of transplantation, therapy, research, or education, be responsible for the final disposition of that dead human body and all of its parts, except those parts used for transplantation. The person or procurement organization shall dispose of the remains by cremation as defined in section 531B-2, except as otherwise provided in section 327-14 or as directed in a document of gift, subject to any required disposition permits.