Idaho Ignition Interlock Requirements

Idaho has clear laws about ignition interlock devices. If you've been charged with DUI in Idaho Falls, understanding these requirements can save you time and stress.

0.08% (0.02% for under 21)

Legal BAC Limit

Varies by offense (diversion to mandatory)

IID Duration

SR-22

Required

DUI Penalties in Idaho

First Offense

Jail: Up to 6 months

Fines: Up to $1,000

License Suspension: 90–180 days

IID Requirement: Required for diversion program participants

Diversion program available for qualified first offenders

Second Offense (within 5 years)

Jail: 10 days–1 year

Fines: Up to $2,000

License Suspension: 1 year

IID Requirement: Mandatory installation

Third Offense (within 5 years)

Jail: 30 days–5 years (felony)

Fines: Up to $5,000

License Suspension: 1–5 years

IID Requirement: Mandatory installation

High BAC First Offense

Jail: 10 days–1 year

Fines: Up to $2,000

License Suspension: 1 year — no driving privileges

IID Requirement: Mandatory installation

Test Refusal Penalty

1-year license suspension for refusing breath test.

Getting Your License Back

Must complete all fines and court-ordered treatment, submit restricted permit application, provide SR-22 insurance, sign Driver Agreement, and install approved IID.

Additional Requirements

Court orders must be submitted to idaho-compliance before installation
Valid Idaho license and registered vehicle owner info required
Work/school schedule verification may be required for restricted permit
Over 50 service centers statewide

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