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Colorado express-consent law · statutory facts · Statutory and agency facts

Chemical-Test Refusal and Express Consent in Colorado

Colorado distinguishes a roadside preliminary breath screen from the evidentiary testing process described by the express-consent statute. An alleged refusal can create a DMV process separate from the court case.

By Ike Lucero, Jr., Attorney at Law Sources checked August 22, 2026 Attorney reviewed August 22, 2026
Information, not instructions. This page does not determine whether conduct constitutes a refusal, calculate a hearing period, establish driving status, or predict an agency result.

Preliminary and evidentiary tests are different

Colorado DMV distinguishes a roadside preliminary breath screen from evidentiary breath-or-blood testing under the express-consent process. The two tests serve different purposes.

Refusal allegation and administrative classification

A refusal may be alleged from words, failure to complete a requested test, delay, or conduct characterized as noncooperation. An allegation is not a final determination.

Colorado DMV currently describes a one-year revocation and Persistent Drunk Driver designation for a first qualifying refusal action. Prior events and other restraints can change the administrative record.

Separate court and DMV proceedings

The DMV administrative process and criminal court case are separate. A result in one does not automatically determine the other, and later reinstatement requirements are separate from the initial action.

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Ike Lucero, Jr. represents Colorado drivers in DUI, traffic, license, DMV, and CDL matters. The Law Office does not accept every matter.

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Common questions

Frequently asked questions

Does this page calculate an express-consent hearing period?

No. Hearing periods depend on the governing notice, receipt or deemed-receipt facts, test path, and current law.

Is a roadside preliminary breath screen the same as the evidentiary chemical test?

No. Colorado DMV states that the roadside preliminary breath screen does not satisfy the express-consent evidentiary-testing requirement.

Can failure to complete a requested test be alleged as refusal?

Yes. A refusal allegation and a final administrative determination are different stages of the process.

Does a court result automatically cancel a DMV refusal action?

No. The DMV administrative process is separate from the criminal court case.

Does Colorado DMV describe early or restricted reinstatement after some refusal actions?

Yes. Eligibility depends on the action date, record, other restraints, and current DMV requirements, and DMV makes the determination.

Related site pages

Related pages

DUI Defense Open page → First DUI in Colorado Open page → DUI and DWAI Open page → License & DMV Open page → Out-of-State Drivers and Colorado DUI Open page → DUI Testing and Court Records Open page → Drug and Marijuana DUI Open page →

Official Colorado and federal sources

These official government sources support the factual copy above. Source availability, laws, and agency information can change.

Sources checked August 22, 2026. Attorney reviewed August 22, 2026.

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