Haw. Rev. Stat. § 141-55: Powers, duties, and activities of the department.

(a) The business of aquaculture shall be governed by this part and shall be exempt from any other provisions relating to the harvesting, processing, and marketing of cultured aquatic life.

(b) Except as provided in this part, the business of aquaculture processing, distribution, and marketing shall be administered by the chairperson.

(c) The chairperson may enter into an agreement with the chairperson of the board of land and natural resources for the resolution of any conflict regarding jurisdiction that arises under this part.

(d) Any costs incurred by the department in implementing this part shall be recovered pursuant to this part.