Haw. Rev. Stat. § 50-15
Notwithstanding the provisions of this chapter, there is expressly reserved to the state legislature the power to enact all laws of general application throughout the State on matters of concern and interest and laws relating to the fiscal powers of the counties, and neither a charter nor ordinances adopted under a charter shall be in conflict therewith.
HRS § 50-15
Law Journals and Reviews
Marsland v. First Hawaiian Bank: Home Rule and the Scope of the County Prosecutor's Power. 12 UH L. Rev. 261.
Generally on functions of statewide interest, if counties are not given specific authority, they cannot thwart the State.56 Haw. 582,545 P.2d 684. "On matters of concern and interest" should be interpreted to mean "on matters of statewide concern and interest".59 Haw. 65,576 P.2d 1029.