Photo of Ariel Defay
R Utah House · District 15 On the 2026 ballot

Rep. Ariel Defay

Compare
Total votes
843
all sessions
Attendance
93%
63 missed
Near the chamber average
With party
97%
of cast votes
Higher than 76% of chamber peers
Bipartisan score
2%
crosses aisle rarely
Lower than 82% of chamber peers
Sponsored
34
bills & resolutions
Near the chamber average
Committees
4
assignments
34 bills and resolutions

Sponsored bills

Total
34
Primary
24
Co-sponsor
10
This page
34
matching current filters
Primary HB 273
Signed into law · Utah House · Lead sponsor
Classroom Technology Amendments

Maddy summaryHB 273 requires Utah's State Board of Education to develop model policies for technology and artificial intelligence use in public schools, directly affecting all Utah public schools, teachers, and students. Key provisions include adding artificial intelligence standards to core computer science curriculum, establishing grade-level technology use requirements, creating a model for balanced technology integration, and allowing high schools to offer AI-focused "sandbox" courses. The bill also mandates reporting on implementation and exempts certain student groups from grade-level tech requirements, with no new state funding allocated.

Signed into law Mar 18, 2026 0 co-sponsors
Primary HB 126
Signed into law · Utah House · Lead sponsor
Micro-Education Entity Facility Amendments

Maddy summaryHB 126 amends Utah zoning laws to treat micro-education entities (like home-based microschools) as permitted uses in all municipal zoning districts, removing barriers to their operation. It requires municipalities to process all land use applications for these entities on a first-priority basis and limits parking requirements to match those for other schools or institutional uses. The bill also clarifies that local governments cannot impose additional restrictions on micro-education entities beyond objective land use standards, such as setbacks or safety regulations. This directly affects micro-education providers seeking to operate within residential or mixed-use areas without facing undue zoning hurdles. The changes apply to Utah Code sections 10-20-304 and 17-79-305, with no new funding or fees required.

Signed into law Mar 13, 2026 0 co-sponsors
Co-sponsor SJR 17
In committee · Utah Senate · Co-sponsor
Resolution Encouraging Innovation in Legislative Analysis and Information Services

Maddy summaryThis resolution (SJR 17) encourages Utah legislative staff to responsibly explore and use artificial intelligence and related technologies to improve the clarity, accessibility, and efficiency of legislative analyses and information services. It specifically urges staff to leverage AI for tasks like research, drafting, and summarization while maintaining human oversight, protecting confidential data, and following ethical and security standards. The resolution does not create new laws or appropriate funds; it is a procedural step directing staff to adopt AI tools in their work. It directly affects legislative staff who produce policy summaries and analytical materials for lawmakers. The resolution emphasizes training, best practices, and governance to ensure AI use enhances transparency and public engagement without altering legislative decision-making processes.

In committee Mar 7, 2026 1 co-sponsor
Co-sponsor SB 34
Signed into law · Utah Senate · Co-sponsor
Mineral Surety Study

Maddy summarySB 34 directs Utah's Division of Oil, Gas, and Mining to study surety requirements for mineral operations, which affects mining companies required to provide financial guarantees for reclamation. The study examines specific aspects like acceptable surety forms (bonds, cash, collateral), appropriate amounts, coordination with other entities, and options like state surety pools or insurance. The division must report findings and legislative recommendations to the Natural Resources committee by October 2025. This study bill has no immediate policy changes, with its provisions set to expire July 1, 2026.

Signed into law Mar 27, 2025 1 co-sponsor
Primary HB 234
Signed into law · Utah House · Lead sponsor
Motorcycle Safety Amendments

Maddy summaryHB 234 increases the fine for operating a motorcycle without a required motorcycle endorsement on your driver's license. It requires courts to waive the increased fine if the rider obtains the endorsement within 30 days of court proceedings, and allows courts to extend this period for good cause. The bill directly affects motorcycle riders who operate without the endorsement, changing their financial liability for this violation. It amends Utah Code Section 53-3-202 without adding new funding or altering other licensing requirements. The key change is making the penalty stricter while providing a clear path to avoid the fine through timely endorsement compliance.

Signed into law Mar 26, 2025 0 co-sponsors
Primary HB 372
Signed into law · Utah House · Lead sponsor
Dental Practice Amendments

Maddy summaryHB 372 amends Utah's dental practice laws to clarify definitions and update supervision requirements for dental professionals. It revises terms like "asynchronous technology" for teledentistry, defines "expanded function" procedures, and refines supervision standards (direct, general, indirect) for dental hygienists and assistants. The bill directly affects dentists, dental hygienists, and dental assistants by changing how they collaborate and provide services, particularly in public health settings and telehealth. These changes are procedural updates to existing licensing rules without new funding or major policy shifts.

Signed into law Mar 26, 2025 0 co-sponsors
Primary HB 514
Signed into law · Utah House · Lead sponsor
Vehicle Registration Changes

Maddy summaryHB 514 allows Utah vehicle owners to choose electronic notifications instead of mail for registration renewals. It creates a 24-month registration option for trailers, off-highway vehicles, street-legal all-terrain vehicles, and electric motor vehicles, requiring double the standard annual fees. The bill adjusts fee calculations to account for the extended registration period and coordinates with related bills (HB 277 and HB 272) to ensure technical compatibility. This directly affects owners of the specified vehicle types who may opt for the longer registration term, while providing notification flexibility to all registered vehicle owners.

Signed into law Mar 26, 2025 0 co-sponsors
Primary HB 197
Signed into law · Utah House · Lead sponsor
Criminal Conduct Amendments

Maddy summaryHB 197 amends Utah's law on enticing a minor and updates the Sex, Kidnap, and Child Abuse Offender Registry rules. It adds factors for courts to consider when determining registration length for offenders under 21, clarifies which agency handles removal petitions from the registry, and requires out-of-state offenders to first remove themselves from the original jurisdiction's registry before seeking removal in Utah. The bill directly affects individuals convicted of enticing minors or other registrable offenses, particularly those under 21 or moving between states. These changes streamline registry management without altering criminal penalties or adding new costs.

Signed into law Mar 26, 2025 0 co-sponsors
Co-sponsor SB 105
Signed into law · Utah Senate · Co-sponsor
Student Privacy and Modesty in Public Education

Maddy summarySB 105 prohibits Utah public schools from requiring students to undress, change clothing, or be in a state of full or partial nudity in front of others - including school staff - within restrooms, changing facilities, or any other location. It defines key terms like "changing facility" and "full nudity" to clarify the scope, and requires school districts to provide privacy options such as single-occupant rooms with locking doors, floor-to-ceiling walls, or curtains for students who need to change privately. The law applies to all students in Utah public schools and takes effect July 1, 2025, with school districts having flexibility in implementing compliance measures.

Signed into law Mar 26, 2025 1 co-sponsor
Co-sponsor SB 76
Signed into law · Utah Senate · Co-sponsor
Marriage Amendments

Maddy summarySB 76, titled "Marriage Amendments," changes Utah law regarding minors (under 18) seeking to marry by adding two key restrictions. It prohibits juvenile courts from authorizing a marriage if the age difference between the couple exceeds four years and requires a 72-hour waiting period after a petition is filed before authorization can be granted. These provisions directly affect minors, their parents or guardians, and juvenile courts handling marriage petitions. The bill does not alter existing requirements for parental consent, documentation, or premarital counseling but adds these safeguards to the existing process.

Signed into law Mar 26, 2025 1 co-sponsor
Showing 11 to 20 of 34 bills
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