State Tax Day - Current, S.4, Hawaii—Personal Income Tax: Amended Rule Incorporates Withholding Tables for Tax Years Beginning After 2025, (Dec 4, 2025)
The Hawaii Department of Taxation announced the adoption of an amended rule incorporating updated income tax formulas and withholding tables for taxable years beginning after December 31, 2025. The amendments reflect legislative changes made by Act 46, Laws 2024. Booklet A, Employer's Tax Guide, which includes the withholding tables, is available on the department’s website.
Announcement No. 2025-07, Hawaii Department of Taxation, December 1, 2025, ¶201-214
Other References:
Explanations at ¶16-620