A first refusal typically results in a one-year license revocation; subsequent refusals carry longer revocations, with a right to an administrative hearing through the Department of Revenue. Refusal can enhance criminal DWI penalties and affect limited-driving-privilege eligibility. Birchfield permits criminal penalties for breath refusal; blood draws for criminal punishment generally require a warrant. That is what separates Missouri refusing a breathalyzer from a generic national summary. Read Mo. Rev. Stat. §§ 577.020, 577.041 before the background sections below. Missouri drivers consent to chemical testing when arrested for driving while intoxicated. Officers must inform the driver of the license consequences of refusal under § 577.041.
License suspension and administrative hearings
A first refusal typically results in a one-year license revocation; subsequent refusals carry longer revocations, with a right to an administrative hearing through the Department of Revenue.
The DMV / administrative track often runs separately from the criminal DUI case. Missing the short window to request an administrative hearing can lock in a suspension even if the criminal charge is later reduced or dismissed. Always calendar the administrative deadline the same day as the arrest.
Criminal consequences of refusal
Refusal can enhance criminal DWI penalties and affect limited-driving-privilege eligibility. Birchfield permits criminal penalties for breath refusal; blood draws for criminal punishment generally require a warrant.
Under Birchfield v. North Dakota, the Fourth Amendment allows criminal penalties for refusing a warrantless breath test incident to a lawful DUI arrest, but generally requires a warrant (or a recognized exception) before the State may impose criminal penalties for refusing a blood draw. Missouri v. McNeely rejected a per-se exigency based solely on natural dissipation of alcohol in the blood. Missouri statutes and case law implement those federal baselines with local detail.
Can refusal be used as evidence?
Refusal is admissible in the DWI prosecution and may be argued as consciousness of guilt.
Prosecutors often argue consciousness of guilt; defense counsel emphasize confusion, inadequate advisories, or medical inability to provide a sample. The precise jury instruction language is state-specific — search Missouri opinions for “refusal” and “implied consent.”
A concrete Missouri scenario
Here is one way the Missouri pieces fit together. Change any fact and the statute may point somewhere else.
A driver is arrested for DUI in Missouri and refuses the evidentiary chemical test after the implied-consent advisory.
- Identify the administrative consequence under Mo. Rev. Stat. §§ 577.020, 577.041: A first refusal typically results in a one-year license revocation; subsequent refusals carry longer revocations, with a right to an administrative hearing through the Department of Revenue.
- Separate that track from the criminal case: Refusal can enhance criminal DWI penalties and affect limited-driving-privilege eligibility. Birchfield permits criminal penalties for breath refusal; blood draws for criminal punishment generally require a warrant.
- Ask whether the refusal can be argued to the jury: Refusal is admissible in the DWI prosecution and may be argued as consciousness of guilt.
- If the request is for blood rather than breath, apply the warrant rule: Breath tests are standard; blood draws commonly proceed by warrant when breath is refused or drugs are suspected.
In Missouri the refusal question is answered first by Mo. Rev. Stat. §§ 577.020, 577.041, then by the administrative deadline and the criminal case.
Breath tests versus blood tests
Breath tests are standard; blood draws commonly proceed by warrant when breath is refused or drugs are suspected.
Practical tip: a driver who refuses breath may still face a warrant-backed blood draw. Refusal does not create a permanent shield against chemical evidence; it mainly adds administrative (and sometimes criminal) consequences on top of the underlying DUI case.
Practical tips
- Ask whether the stop and arrest were lawful — implied consent usually requires a lawful DUI arrest first.
- Diary the administrative hearing deadline immediately.
- Do not confuse portable roadside breath screens with the evidentiary breathalyzer at the station; statutes often treat them differently.
- Research Missouri opinions on implied consent, refusal, and license revocation in LawDiver before a contested DMV hearing.
Case law: implied consent and refusal in Missouri
Robert M. BROWN, Appellant, v. DIRECTOR OF REVENUE, Respondent
Robert M. BROWN, Appellant, v. DIRECTOR OF REVENUE, Respondent, 2000 Mo. App. LEXIS 1681 (2000)
…for refusing to submit to chemical tests as required by the Implied Consent Law. Section 577.020. At issue is whether the failure of law enforcement authorities to allow Mr. Brown, after his request, the opportunity to contact an attorney before taking the breath test requires the setting aside of his license revocation. The judgment revoking Mr. Brown’s driver’s license was er…
Robert M. BROWN, Appellant, v. DIRECTOR OF REVENUE, Respondent is worth reading on Missouri implied consent / breathalyzer refusal because the court put the point in its own words: "Implied Consent Law. Section 577.020. At issue is whether the failure of law enforcement authorities to allow Mr. Brown, after his request, the opportunity to contact an attorney before taking the breath test requires the setting aside of his license revocation." Use that passage as the starting point, then read the facts that precede it.
Samuel W. BALDRIDGE, Respondent, v. DIRECTOR OF REVENUE, STATE OF MISSOURI, Appellant
…t, despite the fact that the officer did not administer the implied consent warning a second time before requesting that he take the urine test. The Director also claims that the trial court’s finding that Mr. Baldridge was not provided a copy of the surveillance videotape was beyond the scope of the trial *215 judge’s authority under § 577.041, RSMo 2000, 1 to review license r…
Missouri opinions such as Samuel W. BALDRIDGE, Respondent, v. DIRECTOR OF REVENUE, STATE OF MISSOURI, Appellant are cited where implied consent / breathalyzer refusal is disputed. The court stated: "The Director also claims that the trial court’s finding that Mr. Baldridge was not provided a copy of the surveillance videotape was beyond the scope of the trial *215 judge’s authority under § 577." That is the language to brief; the rest of the decision supplies the procedural posture.
Kris Allen SCHUSSLER, Respondent, v. Carol Russell FISCHER, Director of Missouri Department of Revenue, Appellant
…twenty minutes to contact an attorney after being read the Implied Consent Law. We find that the officer violated the implied consent law by not allowing Schus-sler an additional twenty minutes to contact an attorney after the implied consent warning was given even though he had earlier requested an attorney and been *650 unsuccessful in reaching one after he was given a Miran…
On implied consent / breathalyzer refusal, Kris Allen SCHUSSLER, Respondent, v. Carol Russell FISCHER, Director of Missouri Department of Revenue, Appellant speaks to the Missouri dispute in this passage: "twenty minutes to contact an attorney after being read the Implied Consent Law. We find that the officer violated the implied consent law by not allowing Schus-sler an additional twenty minutes to contact an attorney after the implied consent warning was given even though he had" The surrounding opinion shows how the court applied that language to the record.
Rebecca KEIM, Petitioner/Appellant, v. DIRECTOR OF REVENUE, Respondent/Respondent
…ith this request, Walton informed Appellant of the Missouri Implied Consent Law, and that the evidence of her refusal to take the test may be used against her in a court of law and her refusal would result in the immediate revocation of her driver’s license. Also at 1:24 a.m., Appellant requested to speak with an attorney, and telephoned Robin Ellis (Ellis) for advice. It is un…
Practitioners open Rebecca KEIM, Petitioner/Appellant, v. DIRECTOR OF REVENUE, Respondent/Respondent when Missouri implied consent / breathalyzer refusal turns on the distinction in this sentence: "Walton informed Appellant of the Missouri Implied Consent Law, and that the evidence of her refusal to take the test may be used against her in a court of law and her refusal would result in the immediate revocation of her driver’s license. Also at 1:24 a.m." Do not lift it out of the facts the court was deciding.
Devin D. LORTON, Respondent, v. DIRECTOR OF REVENUE, Appellant
Devin D. LORTON, Respondent, v. DIRECTOR OF REVENUE, Appellant, 1999 Mo. App. LEXIS 176 (1999)
…neys.” At approximately 7:08 a.m., Officer Olinger read the Implied Consent Law to Mr. Lorton directly from the alcohol influence report form. Mr. Lorton responded by indicating that he would not do anything until he had contacted his attorney. Officer Olinger informed Mr. Lorton that he had already been given the required time in which to contact an attorney. Officer Olinger t…
Missouri opinions such as Devin D. LORTON, Respondent, v. DIRECTOR OF REVENUE, Appellant are cited where implied consent / breathalyzer refusal is disputed. The court stated: "At approximately 7:08 a.m., Officer Olinger read the Implied Consent Law to Mr. Lorton directly from the alcohol influence report form. Mr. Lorton responded by indicating that he would not do anything until he had contacted his attorney. Officer Olinger informed Mr." That is the language to brief; the rest of the decision supplies the procedural posture.
Amy Jo WILMOTH, Respondent, v. DIRECTOR OF REVENUE, Appellant
Amy Jo WILMOTH, Respondent, v. DIRECTOR OF REVENUE, Appellant, 903 S.W.2d 595 (1995)
…for failure to submit to a chemical test as required by the Implied Consent Law. § 577.020. The order reinstating Ms. Wil-moth’s driver’s license is reversed, and the revocation is reinstituted. To uphold a driver’s license revocation for failure to submit to chemical testing, the trial court must affirmatively find that (1) the driver was arrested, (2) the arresting officer ha…
Practitioners open Amy Jo WILMOTH, Respondent, v. DIRECTOR OF REVENUE, Appellant when Missouri implied consent / breathalyzer refusal turns on the distinction in this sentence: "Implied Consent Law. § 577.020. The order reinstating Ms. Wil-moth’s driver’s license is reversed, and the revocation is reinstituted." Do not lift it out of the facts the court was deciding.
Ethel S. SMOCK, Petitioner-Respondent, v. DIRECTOR OF REVENUE, STATE OF MISSOURI, Respondent-Appellant
…ormed her of her Miranda rights, and also read the mandated implied consent notification. Respondent consented to a chemical breath test, but she was unable or unwilling to provide a breath sample sufficient to register as a valid test on the machine. During this aborted test, Mason observed on the machine’s digital display a blood alcohol content (“BAC”) reading of .137 percen…
On implied consent / breathalyzer refusal, Ethel S. SMOCK, Petitioner-Respondent, v. DIRECTOR OF REVENUE, STATE OF MISSOURI, Respondent-Appellant speaks to the Missouri dispute in this passage: "Miranda rights, and also read the mandated implied consent notification. Respondent consented to a chemical breath test, but she was unable or unwilling to provide a breath sample sufficient to register as a valid test on the machine." The surrounding opinion shows how the court applied that language to the record.
Randal L. SMITH, Petitioner-Appellant, v. DIRECTOR OF REVENUE, Respondent-Respondent
…yzer test. At that point, Elliott read to Smith “Missouri’s Implied Consent Law a second time” and requested that Smith give him a blood sample. Initially, Smith agreed. However, as they were getting ready to go to the hospital, Smith told Elliott he had changed his mind. At that point, Elliott proceeded to complete the paperwork for Smith’s refusal to submit, and when Smith as…
Randal L. SMITH, Petitioner-Appellant, v. DIRECTOR OF REVENUE, Respondent-Respondent is worth reading on Missouri implied consent / breathalyzer refusal because the court put the point in its own words: "At that point, Elliott read to Smith “Missouri’s Implied Consent Law a second time” and requested that Smith give him a blood sample. Initially, Smith agreed. However, as they were getting ready to go to the hospital, Smith told Elliott he had changed his mind." Use that passage as the starting point, then read the facts that precede it.
Key takeaways
- Primary authority: Mo. Rev. Stat. §§ 577.020, 577.041.
- Administrative hit: A first refusal typically results in a one-year license revocation; subsequent refusals carry longer revocations, with a right to an administrative hearing through the Department of Revenue.
- Criminal exposure: Refusal can enhance criminal DWI penalties and affect limited-driving-privilege eligibility.
- Evidence: Refusal is admissible in the DWI prosecution and may be argued as consciousness of guilt.
- Blood vs. breath: federal Supreme Court doctrine in Birchfield and McNeely still frames warrant rules.
Implied consent in Missouri
Missouri drivers consent to chemical testing when arrested for driving while intoxicated. Officers must inform the driver of the license consequences of refusal under § 577.041.
Implied consent is not the same as a Miranda warning. Officers typically must advise of the consequences of refusal before requesting a chemical test. Failure to give a required advisory can affect whether the administrative suspension sticks — a frequent issue in Missouri appellate opinions.
Frequently asked questions
What happens if I refuse a breathalyzer in Missouri?
A first refusal typically results in a one-year license revocation; subsequent refusals carry longer revocations, with a right to an administrative hearing through the Department of Revenue. Refusal can enhance criminal DWI penalties and affect limited-driving-privilege eligibility.
Is refusal a separate crime in Missouri?
Refusal can enhance criminal DWI penalties and affect limited-driving-privilege eligibility. Birchfield permits criminal penalties for breath refusal; blood draws for criminal punishment generally require a warrant.
Will the prosecutor tell the jury I refused?
Refusal is admissible in the DWI prosecution and may be argued as consciousness of guilt.
Do I need a warrant for a blood draw?
Breath tests are standard; blood draws commonly proceed by warrant when breath is refused or drugs are suspected. See also Birchfield and McNeely linked above.