Hawaii Revised Statutes Division 1. Government § 206E-21.5

(a) Notwithstanding section 206E-21 and 206E-225, the authority, pursuant to and in accordance with this subpart and section 46-80.1(a), may issue bonds for the purpose of financing the development of infrastructure for:

(b) All bonds issued by the authority for improvements by assessments, and the interest thereon, shall be exempt from all state, county, and municipal taxation, except inheritance, transfer, and estate taxes.