AI-generated summary, reviewed by Better Utah staff.

When a Utah resident buys a replacement vehicle within 30 days of selling their own vehicle in a separate transaction, this bill creates a sales tax exemption equal to the sales price of whichever vehicle cost less — claimed as a refund from the State Tax Commission within one year. The bill also adds a monthly late registration penalty for vehicle owners who fail to renew on time, eliminates the 60-day grace period previously given to vehicle owners found non-compliant with registration and tax requirements before penalties apply, raises the minimum non-compliance penalty from $500 to $650, and directs all such penalty money to the General Fund rather than the Uninsured Motorist Identification Restricted Account. Utahns who sell one vehicle and buy another in back-to-back private transactions — rather than trading in at a dealership — stand to benefit most from the new tax exemption, which puts them on more equal footing with those who receive the existing trade-in tax break.