All Roll Calls
Yes: 133 • No: 0
IowaHF 220291st General Assembly (2025–2026)House
A bill for an act relating to controlled substances schedules and precursor substances reporting requirements, making penalties applicable, and including effective date provisions. (Formerly HSB 528.) Effective date: 04/16/2026.
Sponsored By: COMMITTEE ON PUBLIC SAFETY
Signed by Governor
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Bill Overview
Analyzed Economic Effects
3 provisions identified: 2 benefits, 0 costs, 1 mixed.
Iowa bans more synthetic opioids
The law adds 12 synthetic opioids to Schedule I. They include Butonitazene, Flunitazene, several fentanyl analogs, and metonitazepyne and protonitazepyne. Manufacturers, sellers, and possessors in Iowa now face Schedule I criminal controls for these drugs. Two nitazene listings also cover related isomers, esters, ethers, and salts. Effective April 16, 2026.
Two stimulants added to Schedule I
The law adds Dipentylone (N,N-dimethylpentylone) and Ethylphenidate to Schedule I. People who make, sell, or possess them in Iowa now face Schedule I criminal controls. Effective April 16, 2026.
Three Schedule I listings removed
The law removes three entries from the Schedule I list in subsection 9. For those chemicals, Schedule I criminal controls in Iowa no longer apply. People who handle those exact chemicals face fewer Schedule I penalties. Effective April 16, 2026.
Sponsors & Cosponsors
Sponsor
COMMITTEE ON PUBLIC SAFETY
Affiliation unavailable
Cosponsors
There are no cosponsors for this bill.
Roll Call Votes
Senate vote • 3/23/2026
Passed Senate
Yes: 47 • No: 0
House vote • 3/5/2026
Passed House
Yes: 86 • No: 0
Actions Timeline
Signed by Governor.
4/16/2026GovernorReported correctly enrolled, signed by Speaker and President, and sent to Governor.
4/16/2026SenateMessage from Senate.
3/23/2026SenateImmediate message.
3/23/2026legislaturePassed Senate, yeas 47, nays 0.
3/23/2026SenateSubstituted for SF 2281.
3/23/2026legislaturePlaced on calendar under unfinished business.
3/19/2026legislatureRead first time, attached to SF 2281.
3/9/2026legislatureMessage from House.
3/9/2026HouseImmediate message.
3/5/2026legislaturePassed House, yeas 86, nays 0.
3/5/2026HouseIntroduced, placed on calendar.
1/29/2026legislature
Bill Text
As Introduced
Enrolled
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