Haw. Rev. Stat. § 576E-3: Jurisdiction.

Notwithstanding any other law to the contrary, the attorney general, through the agency and the office, shall have concurrent jurisdiction with the court over:

(1) Any person found within the State of Hawaii against whom a child support obligation may be established, modified, suspended, terminated, or enforced; and

(2) Any person without the State who has maintained a domicile in this State while involved in a marital or family relationship out of which arises a claim for child support, including any person against whom a Hawaii court or agency has entered a support order.