Haw. Rev. Stat. § 485A-503: Evidentiary burden.

(a) In a civil action or administrative proceeding under this chapter, a person claiming an exemption, exception, preemption, or exclusion shall have the burden to prove the applicability of the claim.

(b) In a criminal proceeding under this chapter, a person claiming an exemption, exception, preemption, or exclusion shall have the burden of going forward with evidence of the claim.