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Bill

Bill

H 519

TAXATION – Amends existing law to update references to the current Internal Revenue Code and to revise certain tax credits related to capital investments and research activities.

68th Legislature, 2nd Regular Session (2026)

Idaho bill synchronizes state tax code with current federal Internal Revenue Code and revises capital investment and research activity tax credits.

Reported Printed and Referred to Revenue & Taxation
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Bill Summary · H 519

Legislative bill overview

H 519 updates Idaho's tax code to align with the current federal Internal Revenue Code and modifies tax credits for capital investments and research activities. The bill appears to be a technical/housekeeping measure to ensure state tax law references remain synchronized with federal tax law changes.

Why is this important

Tax code references that drift from federal law create confusion for taxpayers, accountants, and tax administrators, potentially leading to inconsistent application of credits. Updating investment and research tax credits can affect business incentives for economic development and innovation in Idaho.

Potential points of contention

  • Scope of changes unclear: The bill's summary is vague about which specific credits are being revised and by how much, making it difficult to assess full fiscal and economic impact
  • Fiscal consequences: Changes to tax credits directly reduce state revenue; the bill contains no fiscal note detailing the cost to the state budget
  • Economic competitiveness: Modifications to investment/research credits could affect Idaho's ability to attract or retain businesses compared to neighboring states
  • Implementation timing: Retroactive or prospective application of changes could create fairness concerns for businesses that made decisions under previous credit structures

Compiled from official sources — confirm details with the bill’s official record.

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