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Starting in May 2026, cities and counties in Utah are prohibited from regulating online marketplaces — broadly defined as any digital platform where goods or services are advertised or transactions are facilitated — and cannot require these platforms to hand over users' personal data without a court order or administrative subpoena. Local governments retain the ability to regulate the individual people who buy or sell through these platforms, enforce existing short-term rental ordinances, and make voluntary requests to online marketplaces for cooperation. Cities and counties that have attempted to impose local rules on platforms like Airbnb, Facebook Marketplace, or similar services lose that authority, limiting local tools for addressing issues like unlicensed short-term rentals or other commerce that flows through digital platforms.