HI SB1359

Amends Hawaii Revised Statutes Section 87A-33(c) to adjust the base composite monthly contribution to the Hawaii Employer-Union Health Benefits Trust Fund (EUTF) effective January 1, 2026.

Increases the base composite monthly contribution by 5.2 percent of the amount in effect on January 1, 2025.

Beginning January 1, 2027, requires annual adjustments to be calculated based on the percentage change in the Medicare Part B premium rate, using a two-year lag methodology.

Changes the Medicare Part B premium rate calculation to compare the rate at the beginning of the previous plan year to the rate at the beginning of the year prior to that previous plan year.

Takes effect upon approval.