Haw. Rev. Stat. § 195-5: Rules and regulations.

(a) The department of land and natural resources may, subject to chapter 91, make, amend and repeal rules and regulations having the force and effect of law, governing the use, control and protection of the areas included within the reserves system, provided that no rule or regulation which relates to the permitted use of any area assigned to the reserves system shall be valid and no use of any such area shall be permitted unless such rule or regulation or permitted use shall have been specifically approved by the natural area reserves system commission.

(b) The department may confer upon such of its employees as it deems reasonable and necessary the powers to serve and execute warrants and arrest offenders or issue citations in all matters relating to the enforcement within the reserves system of the law and rules and regulations applicable thereto.