Hawaii Revised Statutes Division 1. Government § 237-29.57

(a) All of the value or gross proceeds arising from the use of intangible property outside the State shall be exempted from, and excluded from the measure of, the taxes imposed by this chapter.

(b) For the purposes of this section, the seller or licensor shall take from the purchaser a certificate, in a form prescribed by the department, certifying that the intangible property is to be used outside the State. Any purchaser who furnishes the certificate shall be obligated to pay to the seller or licensor, upon demand, the amount of the additional tax that is imposed upon the seller or licensor, if the intangible property is used in this State.