Every decision and order adverse to a party to the proceeding, rendered by the board, shall be in writing or stated in the record and shall be accompanied by separate findings of fact and conclusions of law. If any party to the proceeding has filed proposed findings of fact, the board shall incorporate in its decision a ruling upon each proposed finding presented. The findings and decisions of the board shall be final on all appeals, unless an appeal is taken to the circuit court pursuant to section 76-47, Hawaii Revised Statutes.
Haw. Code R. § 8-62-36