HB2329 updates Hawaii’s income tax and estate/generation-skipping transfer tax conformity dates to the federal Internal Revenue Code as amended through December 31, 2025. In practical terms, the bill rolls forward Hawaii’s reference to the federal code for taxable years beginning after December 31, 2025, and for decedents dying or transfers occurring after that date, so that state tax calculations more closely track current federal law. The measure also expressly makes certain federal COVID-era relief provisions operative for Hawaii tax purposes, including specified treatment of recovery rebates, PPP-related provisions, EIDL advances, restaurant revitalization grants, charitable contribution rules, retirement-plan loans and withdrawals, and disaster tax relief.
The bill makes a number of targeted changes to Hawaii’s own tax conformity rules and exceptions. It revises the standard deduction amounts for future years, preserves or limits the operation of various federal deductions and credits, and continues Hawaii-specific treatment for items such as state and local tax deductions, casualty losses, retirement distributions, medical savings accounts, Roth IRAs, and certain business deductions. It also updates the estate and generation-skipping transfer tax conformity date in chapter 236E, and maintains special Hawaii rules for areas such as medical cannabis, high technology businesses, cooperatives, and certain retirement-system-related rollovers.
Overall, the bill’s impact is to keep Hawaii’s tax code aligned with the federal tax code for 2025 while preserving a substantial set of state-specific deviations. Taxpayers, estates, businesses, nonprofits, and retirement plan participants are the primary affected groups, because the bill determines which federal provisions Hawaii will follow, which it will reject, and how state taxable income and deductions will be computed. The bill also affects the timing of when the updated conformity rules apply, with most income-tax changes beginning in tax year 2026 and estate-tax changes applying to deaths or transfers after December 31, 2025.
The general sentiment appears strongly favorable and technical rather than controversial. The Senate Ways and Means Committee passed the bill unanimously, and both conference votes were unanimous as well, suggesting broad agreement on the need for annual conformity updates. The absence of recorded committee testimony in the provided materials also suggests the measure was treated as a routine tax administration bill rather than a highly debated policy change.
The main points of contention, to the extent they are visible in the text, are policy choices embedded in the conformity structure rather than opposition in the legislative record. These include whether Hawaii should follow federal changes to deductions, business expensing, retirement rules, and treatment of specific relief programs, as well as whether to preserve Hawaii’s existing limits on items like the SALT deduction, certain itemized deductions, and various business tax preferences. The bill’s many exceptions and carve-outs indicate the legislature was balancing conformity with state revenue and policy preferences, even though no active dispute is reflected in the vote history provided.
HB2329 amends Hawaii Revised Statutes chapters 235 and 236E to conform state income tax and estate/generation-skipping transfer tax law to the Internal Revenue Code as amended through December 31, 2025. It changes the operative federal reference date, updates the treatment of selected federal provisions, revises standard deduction amounts for future tax years, and preserves or limits numerous Hawaii-specific exceptions. The bill affects individual taxpayers, estates, businesses, nonprofits, retirement plan participants, and certain specialized industries and entities, including medical cannabis dispensaries, high-tech businesses, cooperatives, and water utilities.
The bill appears to have been received positively and without significant opposition. It passed Senate Ways and Means 12-0 and later passed House and Senate conference votes 2-0, indicating broad bipartisan or nonpartisan support. The available record suggests the measure was viewed as a routine annual tax conformity update rather than a contentious policy proposal.
No direct controversy is reflected in the provided committee record, but the substantive policy choices in the bill are the likely areas of debate. These include whether Hawaii should conform to federal changes affecting deductions, business expensing, retirement distributions, and relief-program exclusions, and whether the state should maintain its own limits on items such as the SALT deduction, casualty losses, and certain business tax preferences. The bill also preserves special treatment for some sectors while excluding others, which could matter to taxpayers and industry groups even though no recorded opposition appears in the votes provided.