Hawaii Revised Statutes Division 1. Government § 201H-72

(a) Without limiting section 201H-71, the corporation, pursuant to and in accordance with this subpart, section 46-80.1(a), or section 201H-191.5, may issue bonds for the purpose of financing the development of infrastructure for:

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