Haw. Rev. Stat. § 412:4-101: Forms of deposit.

(a) Except as specifically prohibited by federal law or any provision of this chapter, and subject to section 412:8-200 with respect to trust companies, section 412:9-400 with respect to depository financial services loan companies, and section 412:9-500 with respect to nondepository financial services loan companies, Hawaii financial institutions may open accounts and accept deposits therein of any type generally accepted by financial institutions in the United States.

(b) Hawaii financial institutions may open accounts and accept deposits therein in the name of one or more persons, in the person's own right or in a fiduciary or other representative capacity, in any form of ownership not inconsistent with the laws of this State.