Idaho voters will decide whether to centralize drug legalization authority with the state legislature this November. House Joint Resolution 4 appears on the ballot, proposing a constitutional amendment that would strip local governments and citizens of the power to legalize marijuana, narcotics, or other psychoactive substances.
Constitutional Change Proposed
The measure seeks to amend Article III, Section 26 of the Idaho Constitution. Currently, this section grants the legislature regulatory power over intoxicating liquor, a provision that took effect on December 31, 1934, following the end of national alcohol prohibition.
HJR 4 would expand this exclusive legislative authority to cover all psychoactive substances. The text of the resolution states that “only the legislature of the state of Idaho shall have power and authority to legalize” these drugs. This change effectively precludes the use of the initiative process for drug legalization and prohibits local municipalities from establishing their own drug policies.
Legislative Precedent
Proponents point to the Idaho legislature’s history of preempting local regulations on various issues. State lawmakers have previously overridden local ordinances regarding guns, minimum wage standards, and plastic bags. Supporters argue that drug policy requires uniform state oversight rather than a patchwork of local rules.
The push for centralized control follows previous legislative attempts to address cannabis specifically. During the 2025 session, House Bill 401, titled the “SERGEANT KITZHABER MEDICAL CANNABIS ACT,” was heard by lawmakers. The 43-page bill failed to gain traction and did not pass.
Western Context
The debate in Idaho mirrors broader trends in the Pacific Northwest, particularly regarding Oregon’s recent policy shifts. Oregon voters passed Measure 110, which decriminalized various formerly illegal drugs. The measure led to increased drug usage, overdoses, associated crime, and civic decay, according to critics.
Facing these outcomes, Oregon lawmakers effectively repealed the decriminalization policy by passing House Bill 4002. Idaho supporters of HJR 4 cite this reversal as evidence that state-level legislative control is necessary to manage drug policy effectively and avoid the pitfalls experienced by neighboring states.