Haw. Rev. Stat. § 134-23
(a) Except as provided in section 134-5, all firearms shall be confined to the possessor's place of business, residence, or sojourn; provided that it shall be lawful to carry unloaded firearms in an enclosed container from the place of purchase to the purchaser's place of business, residence, or sojourn, or between these places upon change of place of business, residence, or sojourn, or between these places and the following:
(6) A police station.
"Enclosed container" means a rigidly constructed receptacle, or a commercially manufactured gun case, or the equivalent thereof that completely encloses the firearm.
[L 2006, c 66, pt of §1]
Discussed: 911 F. Supp. 2d 972 (2012).