Haw. Rev. Stat. § 383-40

Except insofar as reconsideration of any determination or redetermination is had under sections 383-33 to 383-36, any right, fact, or matter in issue, directly passed upon or necessarily involved in a determination or redetermination which has become final, or in a decision on appeal under sections 383-37 to 383-42 which has become final, shall be conclusive for all the purposes of this chapter as between the department of labor and industrial relations, the claimant, and all employing units who had notice of such determination, redetermination, or decisions.