New Idaho laws taking effect January 1, 2025

8 laws take effect January 1, 2025.

Of the 681 bills enacted since 2025, 681 have an effective date and 0 don't yet (pending). A law here takes effect that day by its main provisions; parts of a staggered act may take effect on other dates.

Updated Oct 31, 2026 at 11:25 a.m. EDT.

Taxes (6)

  • H 231 · 2025 Regular SessionPublished

    FOOD TAX CREDITS AND REFUNDS – Amends existing law to increase the food tax credit and to provide an alternative tax credit for the actual amount paid by taxpayers on food purchases.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2025.

    How effective dates are worked out

  • H 3 · 2025 Regular SessionPublished

    TAXATION – Amends existing law to update references to the current Internal Revenue Code.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2025.

    How effective dates are worked out

  • H 316 · 2025 Regular SessionPublished

    HOMESTEAD EXEMPTION – Amends existing law to clarify that an Idaho state-issued driver's license or identification card is required to apply for the homestead property tax exemption.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2025.

    How effective dates are worked out

  • H 40 · 2025 Regular SessionPublished

    TAXATION – Amends existing law to exempt certain precious metals from capital gains tax, lower the income tax rate, and exempt certain military benefits from income taxation.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2025.

    How effective dates are worked out

  • H 559 · 2026 Regular SessionPublished

    TAXATION – Amends existing law to update references to the current Internal Revenue Code and to revise certain tax credits and adjustments.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2025.

    How effective dates are worked out

  • H 93 · 2025 Regular SessionPublished

    TAXATION – Adds to existing law to establish the Idaho parental choice tax credit and Idaho Parental Choice Tax Credit Advance Payment Fund.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2025.

    How effective dates are worked out

Finance (1)

  • H 436 · 2025 Regular SessionPublished

    URBAN RENEWAL – Amends and adds to existing law to provide for the dissolution of urban renewal agencies and termination of urban renewal plans and to allow fire protection districts and ambulance service districts to opt out of certain urban renewal financing provisions.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2025.

    How effective dates are worked out

Traffic (1)

  • S 1105 · 2025 Regular SessionPublished

    TRANSPORTATION – Amends existing law to revise provisions regarding Don't Tread On Me license plates and to establish the Idaho Firearms Safety Education Committee.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2025.

    How effective dates are worked out