Start with 75 Pa. Cons. Stat. § 1547. In Pennsylvania, Refusal typically produces a 12- or 18-month license suspension (depending on priors and other factors) through PennDOT, plus Ignition Interlock implications in many cases. Breath refusal may be addressed consistent with Birchfield; blood compulsion for criminal refusal penalties generally requires a warrant. That is the question this guide answers for refusing a breathalyzer. Pennsylvania's implied-consent statute (75 Pa.C.S. § 1547) requires chemical testing upon lawful DUI arrest; refusal has license consequences.
Implied consent in Pennsylvania
Pennsylvania's implied-consent statute (75 Pa.C.S. § 1547) requires chemical testing upon lawful DUI arrest; refusal has license consequences.
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 Pennsylvania appellate opinions.
License suspension and administrative hearings
Refusal typically produces a 12- or 18-month license suspension (depending on priors and other factors) through PennDOT, plus Ignition Interlock implications in many cases.
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.
How the Pennsylvania rule applies
Apply the Pennsylvania authorities in order. The facts are simplified so the statute and the standard are visible.
A driver is arrested for DUI in Pennsylvania and refuses the evidentiary chemical test after the implied-consent advisory.
- Identify the administrative consequence under 75 Pa. Cons. Stat. § 1547: Refusal typically produces a 12- or 18-month license suspension (depending on priors and other factors) through PennDOT, plus Ignition Interlock implications in many cases.
- Separate that track from the criminal case: Breath refusal may be addressed consistent with Birchfield; blood compulsion for criminal refusal penalties generally requires a warrant.
- Ask whether the refusal can be argued to the jury: Chemical results are core DUI evidence; refusal is generally admissible at the criminal trial.
- If the request is for blood rather than breath, apply the warrant rule: Breath is standard; blood is used for drugs, hospital cases, or when breath cannot be completed, usually under warrant when compelled.
In Pennsylvania the refusal question is answered first by 75 Pa. Cons. Stat. § 1547, then by the administrative deadline and the criminal case.
Criminal consequences of refusal
Breath refusal may be addressed consistent with Birchfield; blood compulsion for criminal refusal penalties generally requires 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. Pennsylvania statutes and case law implement those federal baselines with local detail.
Can refusal be used as evidence?
Chemical results are core DUI evidence; refusal is generally admissible at the criminal trial.
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 Pennsylvania opinions for “refusal” and “implied consent.”
Breath tests versus blood tests
Breath is standard; blood is used for drugs, hospital cases, or when breath cannot be completed, usually under warrant when compelled.
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 Pennsylvania opinions on implied consent, refusal, and license revocation in LawDiver before a contested DMV hearing.
Case law: implied consent and refusal in Pennsylvania
COMMONWEALTH of Pennsylvania, Appellant v. Darrell MYERS, Appellee
COMMONWEALTH of Pennsylvania, Appellant v. Darrell MYERS, Appellee, 2017 Pa. LEXIS 1689 (2017)
…t such impairment. 75 Pa.C.S. § 1547(a). Nonetheless, this “implied consent” statute also grants DUI ar-restees the right to refuse chemical testing. See id. § 1547(b)(1) (“If any person placed under arrest for [DUI] is requested to submit to chemical testing and refuses to do so, the testing shall not be conducted”); Commonwealth v. Eisenhart, 531 Pa. 103, 611 A.2d 681, 683 (1…
On implied consent / breathalyzer refusal, COMMONWEALTH of Pennsylvania, Appellant v. Darrell MYERS, Appellee speaks to the Pennsylvania dispute in this passage: "Pa.C.S. § 1547(a). Nonetheless, this “implied consent” statute also grants DUI ar-restees the right to refuse chemical testing. See id." The surrounding opinion shows how the court applied that language to the record.
Ivo MARTINOVIC v. COMMONWEALTH of Pennsylvania, DEPARTMENT OF TRANSPORTATION, BUREAU OF DRIVER LICENSING, Appellant
…ng to submit to chemical testing pursuant to Pennsylvania’s Implied Consent Law (Implied Consent Law). 1 On or about 8:00 a.m. on June 26, 2004, Licensee was arrested for driving under the influence of alcohol. By official notice dated September 6, 2004, the Bureau notified Licensee that his operating privilege was being suspended for a period of one year, effective October 11,…
Practitioners open Ivo MARTINOVIC v. COMMONWEALTH of Pennsylvania, DEPARTMENT OF TRANSPORTATION, BUREAU OF DRIVER LICENSING, Appellant when Pennsylvania implied consent / breathalyzer refusal turns on the distinction in this sentence: "Pennsylvania’s Implied Consent Law (Implied Consent Law). 1 On or about 8:00 a.m. on June 26, 2004, Licensee was arrested for driving under the influence of alcohol." Do not lift it out of the facts the court was deciding.
Rachael D. BOSEMAN, Appellant v. COMMONWEALTH of Pennsylvania, DEPARTMENT OF TRANSPORTATION, BUREAU OF DRIVER LICENSING
…ng in 75 Pa. C.S. § 1547(b)(1), commonly referred to as the Implied Consent Law. Licensee, however, responded that she would not submit to a blood test without talking to a lawyer. Arresting Officer then read Licensee the DL-26 form verbatim. After the officer read Licensee the DL-26 warnings, she agreed to take a blood test. However, while driving to the hospital, Licensee cha…
Practitioners open Rachael D. BOSEMAN, Appellant v. COMMONWEALTH of Pennsylvania, DEPARTMENT OF TRANSPORTATION, BUREAU OF DRIVER LICENSING when Pennsylvania implied consent / breathalyzer refusal turns on the distinction in this sentence: "Pa. C.S. § 1547(b)(1), commonly referred to as the Implied Consent Law. Licensee, however, responded that she would not submit to a blood test without talking to a lawyer. Arresting Officer then read Licensee the DL-26 form verbatim." Do not lift it out of the facts the court was deciding.
COMMONWEALTH of Pennsylvania, DEPARTMENT OF TRANSPORTATION, BUREAU OF DRIVER LICENSING, Appellant, v. Richard J
…fficer Carroll informed Boucher that in accordance with the Implied Consent Law, if Boucher refused to submit to the test, his operating privileges would be suspended for one year. Officer Carroll did not inform Boucher that his Miranda rights were not applicable to the request to perform the breathalyzer test. Boucher initially assented to the test. The first test result indic…
On implied consent / breathalyzer refusal, COMMONWEALTH of Pennsylvania, DEPARTMENT OF TRANSPORTATION, BUREAU OF DRIVER LICENSING, Appellant, v. Richard J speaks to the Pennsylvania dispute in this passage: "Carroll informed Boucher that in accordance with the Implied Consent Law, if Boucher refused to submit to the test, his operating privileges would be suspended for one year." The surrounding opinion shows how the court applied that language to the record.
David A. TODD, Appellee, v. COMMONWEALTH of Pennsylvania, DEPARTMENT OF TRANSPORTATION, BUREAU OF DRIVER LICENSING
…ther, for purposes of drivers’ license suspension under the implied consent provision of the Vehicle Code, 75 Pa.C.S. §1547(b)(l), a licensee must be afforded the entire three-minute period of a breathalyzer machine’s test cycle before his failure to provide a sufficient breath sample may be deemed a refusal to submit to a chemical alcohol test. Because we discern no such requi…
Practitioners open David A. TODD, Appellee, v. COMMONWEALTH of Pennsylvania, DEPARTMENT OF TRANSPORTATION, BUREAU OF DRIVER LICENSING when Pennsylvania implied consent / breathalyzer refusal turns on the distinction in this sentence: "Vehicle Code, 75 Pa.C.S. §1547(b)(l), a licensee must be afforded the entire three-minute period of a breathalyzer machine’s test cycle before his failure to provide a sufficient breath sample may be deemed a refusal to submit to a chemical alcohol test." Do not lift it out of the facts the court was deciding.
Nicole PARK, Appellant v. COMMONWEALTH of Pennsylvania, DEPARTMENT OF TRANSPORTATION, BUREAU OF DRIVER LICENSING
…avit indicating Licensee was arrested for DUI and given the implied consent warnings and that she refused the blood test. On re-direct examination, Arresting Officer confirmed that he again read Licensee the DL-26 warnings on the way to the booking center, and that Licensee never agreed to take the test. N.T. at 28. The vehicle audio recorder confirmed the conversation. Tr. Ct.…
Practitioners open Nicole PARK, Appellant v. COMMONWEALTH of Pennsylvania, DEPARTMENT OF TRANSPORTATION, BUREAU OF DRIVER LICENSING when Pennsylvania implied consent / breathalyzer refusal turns on the distinction in this sentence: "Licensee was arrested for DUI and given the implied consent warnings and that she refused the blood test." Do not lift it out of the facts the court was deciding.
COMMONWEALTH of Pennsylvania v. Jason C. BARR
COMMONWEALTH of Pennsylvania v. Jason C. BARR, 2013 Pa. Super. 281 (2013)
…alcohol,” and *670orally provided Appellant with both the “implied consent” and “O’Connell” warnings.3, 4 Id, at 55-57. Specifically, Trooper Berggren testified: I advised [Appellant] that ... it’s implied in Pennsylvania [that Appellant must] give blood, breath, or urine, and if [Appellant] did not, that his license would be suspended. He would have stricter penalties and, al…
Pennsylvania opinions such as COMMONWEALTH of Pennsylvania v. Jason C. BARR are cited where implied consent / breathalyzer refusal is disputed. The court stated: "Appellant with both the “implied consent” and “O’Connell” warnings.3, 4 Id, at 55-57. Specifically, Trooper Berggren testified: I advised [Appellant] that ..." That is the language to brief; the rest of the decision supplies the procedural posture.
Key takeaways
- Primary authority: 75 Pa. Cons. Stat. § 1547.
- Administrative hit: Refusal typically produces a 12- or 18-month license suspension (depending on priors and other factors) through PennDOT, plus Ignition Interlock implications in many cases.
- Criminal exposure: Breath refusal may be addressed consistent with Birchfield; blood compulsion for criminal refusal penalties generally requires a warrant.
- Evidence: Chemical results are core DUI evidence; refusal is generally admissible at the criminal trial.
- Blood vs. breath: federal Supreme Court doctrine in Birchfield and McNeely still frames warrant rules.
Frequently asked questions
What happens if I refuse a breathalyzer in Pennsylvania?
Refusal typically produces a 12- or 18-month license suspension (depending on priors and other factors) through PennDOT, plus Ignition Interlock implications in many cases. Breath refusal may be addressed consistent with Birchfield; blood compulsion for criminal refusal penalties generally requires a warrant.
Is refusal a separate crime in Pennsylvania?
Breath refusal may be addressed consistent with Birchfield; blood compulsion for criminal refusal penalties generally requires a warrant.
Will the prosecutor tell the jury I refused?
Chemical results are core DUI evidence; refusal is generally admissible at the criminal trial.
Do I need a warrant for a blood draw?
Breath is standard; blood is used for drugs, hospital cases, or when breath cannot be completed, usually under warrant when compelled. See also Birchfield and McNeely linked above.