Hawaii Revised Statutes Division 1. Government § 46-1.55

(a) Each county shall adopt ordinances allowing the exercise of indigenous native Hawaiian architectural practices, styles, customs, techniques, and materials historically employed by native Hawaiians, in the county's building code, including but not limited to residential and other structures comprised of either rock wall or wood frame walls covered by thatches of different native grasses or other natural material for roofs.

(b) The application of indigenous Hawaiian architecture shall be permitted in all zoning districts; provided it is consistent with the intent and purpose of the uniquely designated, special, or historic district.

(c) Each county shall adopt or amend its ordinances to implement this section no later than March 31, 2008. The ordinance adopted by Maui county shall serve as a model.