Driving Under the Influence in Poland (DUI): What Foreigners Should Expect After a Police Stop

Driving under the influence in Poland means operating a vehicle after alcohol consumption that meets one of two legal thresholds: (1) “after use of alcohol” (0.2-0.5‰ blood alcohol concentration – BAC, or 0.1-0.25 mg/l in breath), treated as a misdemeanour; or (2) “state of intoxication” (above 0.5‰ BAC, or above 0.25 mg/l in breath), treated as a criminal offence. The same framework applies to being under the influence of narcotics or other intoxicating substances, although measurement and evidence differ. The legal consequences can include driving bans, fines, arrest, vehicle-related measures, and immigration or employment complications.

This material is informational, not legal advice. Outcomes depend on facts, evidence, and procedural steps taken in the specific case.

Legal thresholds and qualification: misdemeanour vs criminal offence

Polish law separates alcohol-related driving into two categories with different procedures and risks:

• After use of alcohol – 0.2-0.5‰ BAC (or 0.1-0.25 mg/l in breath): typically a misdemeanour under the Code of Petty Offences (proceedings under the Code of Procedure in Petty Offences; substantive basis in the Code of Petty Offences) [2], [5].
• State of intoxication – above 0.5‰ BAC (or above 0.25 mg/l in breath): a criminal offence under the Criminal Code [1].

Foreigners should treat the difference as operationally important. A reading just above 0.25 mg/l may move the case from a ticket-oriented path into criminal proceedings, with prosecutor involvement and broader consequences for licences and mobility.

What happens during a police stop: step-by-step reality

After a police stop, the sequence is usually predictable:

1. Initial check and breath test: Police may use a screening device. A positive screening typically leads to an evidentiary breathalyser test with recorded results.
2. Repeat measurements: Multiple readings may be taken to confirm the level and trend over time, especially where results are near thresholds.
3. Blood test decision: If breath results are disputed, unclear, or the person cannot provide a valid breath sample, police may order a blood test, with documentation of chain of custody.
4. Driving licence retention: Police often retain the driving licence immediately where legal conditions are met, and issue confirmation documentation. For non-Polish licences, the practical effect may be a driving prohibition in Poland and follow-up depending on circumstances.
5. Procedural classification: The case is qualified as either misdemeanour or crime. For crimes, a prosecutor typically becomes involved and formal decisions follow.

Refusing a breath test does not normally “end the matter” – it usually shifts the evidence to blood testing and can increase suspicion and detention risk. For drug-related cases, roadside tests may be followed by blood analysis.

Detention, search, and immediate measures: what can be expected

Detention is not automatic, but it can occur, especially when:

• the driver is significantly intoxicated, aggressive, or unable to ensure safe return home,
• there is a collision or suspected additional offence,
• identity cannot be reliably established, or there is a risk of absconding.

Police measures may include checking the vehicle, securing evidence (for example, open containers), and collecting witness statements. In cases involving an accident, procedural steps may be faster and more formal, with a higher likelihood of prosecutorial supervision.

Typical penalties and business consequences for foreigners

From a business perspective, DUI exposure in Poland is not limited to court sanctions. The usual risk areas include:

• Driving bans: A court may impose a driving ban. For managers or mobile specialists, this affects business continuity and client delivery.
• Financial exposure: Fines, court costs, and in criminal cases additional monetary measures can apply. Insurance consequences may follow, especially after collisions.
• Criminal record risk: A criminal conviction under the Criminal Code can affect background checks, certain regulated roles, and cross-border mobility.
• Immigration and travel: While Poland is part of Schengen, criminal cases can create complications at borders and in residency processes depending on status and the specific decision issued.

Where the incident occurs in a company car or during a business trip, internal HR, compliance, and reporting issues may arise, particularly in regulated sectors with fitness and propriety expectations.

Three practical exceptions that frequently change outcomes

The final legal assessment often turns on details. The following three exceptions regularly influence the path of the case and must be assessed precisely:

1. Borderline BAC and measurement error: Where readings sit near 0.2‰/0.5‰ (or the breath equivalents), the type of device, calibration status, time between tests, and rising or falling BAC can materially affect classification and liability.
2. Not “driving” but still at risk: Liability can arise not only from moving in traffic. Facts such as whether the vehicle was in motion, whether the person had actual control, engine status, location, and intent can be disputed and may change the legal qualification depending on evidence.
3. Medical or procedural irregularities: Issues such as improper sampling, missing documentation, broken chain of custody (especially for blood tests), language-access problems, or failure to properly document instructions and rights can affect evidentiary value and procedural validity.

Each of these exceptions is evidence-driven. The earlier the defence secures documentation (device printouts, protocols, witness accounts, CCTV, medical records), the more realistic it becomes to manage classification, penalty levels, and licence-related outcomes.

Language and rights: what foreigners should pay attention to

Foreigners should expect formal Polish-language documents. Where a person does not understand Polish well enough to follow procedural steps, a request for language assistance may be necessary to avoid misunderstandings that later become “admissions” in the file. This matters in practice for:

• the wording of explanations and signatures,
• consent and cooperation decisions (tests, medical checks),
• deadlines and appeal options.

From a risk-control perspective, the safest approach is to avoid spontaneous narratives, confirm what is being signed, and ensure all test results and protocols are obtained or photographed where lawful.

When to involve counsel and what information is needed

Early legal involvement is most valuable when: results are near thresholds, there is an accident, drug influence is alleged, the client holds a non-Polish licence, or employment/immigration risk exists. For case triage, the usual documents and data points include:

• time and place of stop, reason for stop, witness details,
• breathalyser printouts (all readings) and device identification,
• blood test documentation (if taken), hospital or lab information,
• licence retention protocol, summons, and any prosecutor/police decisions.

More details on the law firm’s scope of support in DUI matters are available under driving under the influence.

For urgent post-stop triage (licence retention, evidence securing, and procedural strategy), Kopeć & Zaborowski (KKZ) can assess the situation quickly – Contact us.

Bibliography

1. Act of 6 June 1997 – Criminal Code (Kodeks karny), in particular Article 178a. (ISAP: https://isap.sejm.gov.pl/)
2. Act of 20 May 1971 – Code of Petty Offences (Kodeks wykroczeń), in particular Article 87. (ISAP: https://isap.sejm.gov.pl/)
3. Act of 20 June 1997 – Road Traffic Law (Prawo o ruchu drogowym). (ISAP: https://isap.sejm.gov.pl/)
4. Act of 6 June 1997 – Code of Criminal Procedure (Kodeks postępowania karnego). (ISAP: https://isap.sejm.gov.pl/)
5. Act of 24 August 2001 – Code of Procedure in Petty Offences (Kodeks postępowania w sprawach o wykroczenia). (ISAP: https://isap.sejm.gov.pl/)