Haw. Rev. Stat. § 11-426: Candidate exceeds voluntary expenditure limit.

A candidate who files the affidavit agreeing to limit expenditures and who exceeds the expenditure limit for that election shall:

(1) Notify all opponents, the office of elections, and the commission by telephone and writing on the day the expenditure limit is exceeded;

(2) Pay the balance of the full filing fee; and

(3) Provide reasonable notice to all contributors within thirty days of exceeding the limit that the expenditure limit was exceeded.