---
type: "Bill"
title: "DRIVING UNDER THE INFLUENCE – Adds to and amends existing law to provide for the installation of an ignition interlock system for certain persons who are convicted of driving under the influence."
description: "DRIVING UNDER THE INFLUENCE – Adds to and amends existing law to provide for the installation of an ignition interlock system for certain persons who are convicted of driving under the influence."
jurisdiction: "us/states/id"
legislature: "Idaho Legislature"
session: "2018"
identifier: "H 551"
citation: "Idaho H 551 (2018)"
classification: ["bill"]
subjects: ["CRIMINAL OFFENSES & PROCEDURES", "DRIVERS", "LIQUOR", "MOTOR VEHICLES", "SENTENCING", "SUBSTANCE ABUSE", "TRANSPORTATION"]
status: "enacted"
primary_sponsors: []
version_count: 1
action_count: 19
vote_count: 2
first_action: "2018-02-12"
last_action: "2018-03-26"
source: "openstates"
source_identifier: "ocd-bill/d89f1c0e-cfd5-4b6d-b4ae-63f30ce20b2e"
source_url: "http://legislature.idaho.gov/sessioninfo/2018/legislation/H0551/"
source_hash: "d266289af47976f7639dbd7b2cad7bfe9e4d859ad372a2e79fb9064d783e9cd6"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-id"]
---

# Idaho H 551 (2018) — DRIVING UNDER THE INFLUENCE – Adds to and amends existing law to provide for the installation of an ignition interlock system for certain persons who are convicted of driving under the influence.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Bill Text** (committee substitute) — [source](http://legislature.idaho.gov/wp-content/uploads/sessioninfo/2018/legislation/H0551.pdf)

## Votes

- Read Third Time in Full – — **55–14** (pass) · upper
- Read third time in full – — **21–12** (pass) · lower

## Sponsors

- JUDICIARY, RULES AND ADMINISTRATION COMMITTEE — primary (organization)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2018-02-12** Introduced, read first time, referred to JRA for Printing `introduction`
- **2018-02-13** Reported Printed and Referred to Judiciary, Rules & Administration
- **2018-02-28** Reported out of Committee with Do Pass Recommendation, Filed for Second Reading `committee-passage-favorable`
- **2018-03-01** Read second time; Filed for Third Reading
- **2018-03-02** U.C. to hold place on third reading calendar one legislative day
- **2018-03-06** Read Third Time in Full – PASSED - 55-14-1AYES – Amador, Anderson, Anderst, Armstrong, Bell, Blanksma, Boyle, Burtenshaw, Chew, Clow, Collins, Crane, Dayley, DeMordaunt, Erpelding, Gannon(17), Gannon(5), Gibbs, Hanks, Hartgen, Holtzclaw, Horman, Kauffman, Kerby, King, Kloc(Tway), Loertscher, Luker, Malek, Manwaring, McCrostie, McDonald, Miller, Moon, Moyle, Nate, Packer, Palmer, Perry, Raybould, Redman, Rubel, Smith, Syme, Toone, Troy, VanOrden, Vander Woude, Wagoner, Wintrow, Wood, Youngblood, Zito, Zollinger, Mr. SpeakerNAYS – Barbieri, Chaney, Cheatham, Dixon, Ehardt, Gestrin, Harris, Kingsley, Mendive, Monks, Scott, Shepherd, Stevenson, ThompsonAbsent – GiddingsFloor Sponsor - WintrowTitle apvd - to Senate `reading-3, passage`
- **2018-03-07** Received from the House passed; filed for first reading
- **2018-03-07** Introduced, read first time; referred to: Judiciary & Rules `introduction`
- **2018-03-14** Reported out of Committee with Do Pass Recommendation; Filed for second reading `committee-passage-favorable`
- **2018-03-15** Read second time; filed for Third Reading
- **2018-03-16** Retained on calendar
- **2018-03-19** Read third time in full – PASSED - 21-12-2AYES – Agenbroad, Anthon, Brackett, Buckner-Webb, Burgoyne, Hagedorn, Heider, Hill, Jordan, Keough, Lee, Lodge, Martin, Mortimer, Nye, Patrick, Siddoway, Souza, Stennett, Ward-Engelking, WinderNAYS – Bair, Bayer, Crabtree, Den Hartog, Foreman, Guthrie, Harris, Johnson, Nonini, Potts, Thayn, VickAbsent and excused – Lakey, RiceFloor Sponsor - BurgoyneTitle apvd - to House `reading-3, passage`
- **2018-03-20** Returned from Senate Passed; to JRA for Enrolling
- **2018-03-21** Reported Enrolled; Signed by Speaker; Transmitted to Senate
- **2018-03-21** Received from the House enrolled/signed by Speaker
- **2018-03-21** Signed by President; returned to House
- **2018-03-22** Returned Signed by the President; Ordered Transmitted to Governor
- **2018-03-22** Delivered to Governor at 9:25 a.m. on March 22, 2018
- **2018-03-26** Reported Signed by Governor on March 26, 2018 Session Law Chapter 254 Effective: 01/01/2019 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d89f1c0e-cfd5-4b6d-b4ae-63f30ce20b2e`. Confidence: reported (aggregated from official Idaho legislature records).