What statute defines DUI in Idaho?

Idaho Code § 18-8004 is the controlling DUI statute in Idaho. You can read the current text on the official code site at legislature.idaho.gov.

What is the Idaho implied-consent law?

Idaho Code § 18-8002 is the implied-consent provision. It sets out the consequences of refusing a chemical test after a lawful DUI arrest.

Idaho DUI Statutes: The Code Sections That Control Your Case

The statutes that control Idaho DUI cases

DUI in Idaho is defined by Idaho Code § 18-8004, and the chemical-testing rules sit in Idaho Code § 18-8002. Both are published in the official state code at legislature.idaho.gov, which is the only version that governs — summaries elsewhere, including ours, can lag amendments.

Idaho official code — DUI statute

Statutory text, definitions, BAC thresholds and sentencing ranges.

Implied-consent provision

What refusing a breath, blood or urine test costs you.

Statute at a glance

Idaho DUI law at a glance

Sourced from the Idaho code and state agency sites. Verify current text before relying on it.

Offense name: DUI (Idaho)
Controlling statute: Idaho Code § 18-8004
Implied consent: Idaho Code § 18-8002
Per se BAC limit: 0.08 (0.04 CDL, 0.02 or lower under 21)
Licence hearing deadline: 7 days after arrest
Prior-offense lookback: 10 years
First-offense fine: up to $1,000
First-offense jail exposure: up to 6 months
Licence suspension: 6 months
Ignition interlock: Not automatic on a first offense
Trial court: the Magistrate Division of the District Court
High-risk filing: SR-22 for 3 years

A first offense is a misdemeanor with possible jail and a licence suspension.

First-offense exposure under Idaho Code § 18-8004: up to $1,000, up to 6 months of jail exposure, and a 6 months licence suspension. A first offense is a misdemeanor with possible jail and a licence suspension.

What Idaho Code § 18-8004 actually says

Idaho Code § 18-8004(1)(a) — unlawful to drive under the influence of alcohol, drugs or another intoxicating substance, or with an alcohol concentration of 0.08 or more.
Idaho Code § 18-8004 sets the alcohol concentration threshold and the methods of proof for a DUI prosecution.
Idaho Code § 18-8002 governs the consequences of refusing evidentiary testing.

Charging documents cite the exact subsection, so check which one appears on your citation. The posted text on legislature.idaho.gov carries an effective date — amendments passed after it are not yet reflected.

Other Idaho sections that control the case

Idaho Code § 18-8004

The core DUI offense.

Idaho Code § 18-8002

Refusal of evidentiary testing and its consequences.

Idaho ZIP codes covered

These Idaho ZIP-code pages carry the local court, filing and licensing detail for the area, and each one links back to this resource page.

Counties and cities using these Idaho resources

Other Idaho official resources

Idaho DUI Courts: Where Your Case Is Heard Idaho Driver Licensing After a DUI: Hearings, Reinstatement & SR-22

Frequently asked questions

What statute defines DUI in Idaho?: Idaho Code § 18-8004 is the controlling DUI statute in Idaho. You can read the current text on the official code site at legislature.idaho.gov.
What is the Idaho implied-consent law?: Idaho Code § 18-8002 is the implied-consent provision. It sets out the consequences of refusing a chemical test after a lawful DUI arrest.