Haw. Rev. Stat. § 576B-303: Application of law of State.

Except as otherwise provided in this chapter, a responding tribunal of this State shall:

(1) Apply the procedural and substantive law generally applicable to similar proceedings originating in this State and may exercise all powers and provide all remedies available in those proceedings; and

(2) Determine the duty of support and the amount payable in accordance with the law and support guidelines of this State.