Idaho Ignition Interlock Requirements

Idaho has detailed laws about ignition interlock devices. After a DUI in Post Falls, knowing what's required is the first step.

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

Get a Free Quote

Fill out the form below and we'll contact you about ignition interlock installation.