Utah requires IID ('interlock-restricted driver') for most DUI convictions (18 months+), longer at 0.16+ and on repeats; combined with the 0.05 limit, Utah is among the strictest DUI regimes.
By offense
First offense: IID required — IID 18 months for most convictions; longer/mandatory at 0.16+ and repeats; Utah's IID rules are strict.
Second offense: IID required
Third offense: IID required
Statute: Utah Code § 41-6a-518
Some links on this site are paid advertising and we may be compensated when you use them. Advertising never affects which statutes or penalties we report — how this site makes money.