Hawaii Revised Statutes Division 1. Government § 235-102.6

(a) Any individual taxpayer required to make a return under this chapter shall be entitled to direct the deposit of an income tax refund into a maximum of three checking or savings accounts at a financial institution; provided that a taxpayer designating the direct deposit shall have electronically filed the taxpayer's return for federal and state income taxes and made a similar direct deposit electronic designation to the same checking or savings accounts on the electronic return.

(b) The department of taxation shall be authorized to modify and revise its returns and computer systems to carry out the purposes of this section.