DUI State Law · Montana

Montana Roadside Saliva (Oral Fluid) DUI Testing Law

How Montana treats oral fluid (saliva) testing in DUI enforcement — the statute, its current status, and what that means for agencies running roadside drug screening.

Status: Verified · Enacted + Active Deployment

Statute and status in Montana

Statute / authority: MCA § 61-8-1016 — Oral fluid explicitly named

MCA 61-8-1016 explicitly lists "oral fluid" as an authorized test specimen alongside blood and breath in the implied consent statute. Refusal triggers license suspension.

Reviewed Apr 2026. Always verify state law before deployment. This page summarizes OraTek's research and is not legal advice.

What this means for agencies in Montana

Montana has written oral fluid into its DUI framework and agencies are deploying it. Roadside saliva screening with a preserved specimen for laboratory confirmation is the workflow OraPlex™ was built for: an observed collection in about a minute, a preliminary result at the roadside, and a split sample the laboratory can quantify.

Every state at a glance

The same dataset behind the DUI map, one page per state.