Hawaii Revised Statutes — Title 14 (Taxation)
HRS § 231-21 — Due date on Saturday, Sunday, or holiday
§231-21 Due date on Saturday, Sunday, or
holiday. When the due date for any remittance or document required by any
law imposing a tax falls on a Saturday, Sunday, or legal holiday, the
remittance or document shall not be due until the next succeeding day which is
not a Saturday, Sunday, or legal holiday.
Source: official text