Bail and Pre-Trial Detention: When Can You Be Released?

Bail in Poland refers to a situation in which a suspect or defendant is released from custody subject to financial security and, where necessary, additional preventive measures. In Polish criminal procedure, bail is known as poręczenie majątkowe. It is not an automatic right and does not end the criminal case. Its purpose is to ensure that the person concerned appears when required and does not obstruct the proceedings.

Pre-trial detention, commonly described as temporary arrest, is the most restrictive preventive measure available in Poland. It may be imposed only by a court and only where statutory grounds are met. The decision can significantly affect business continuity, family life, reputation and the ability to prepare an effective defence. For foreign nationals, detention may also create immediate risks relating to travel documents, communication with family and ongoing professional obligations.

What is pre-trial detention under Polish law?

Pre-trial detention is regulated primarily by the Polish Code of Criminal Procedure. It may be ordered before trial or during proceedings where less restrictive measures are considered insufficient. The court must assess the evidence, the alleged offence, the procedural risks and the personal circumstances of the suspect or defendant.

Under Article 249 of the Code of Criminal Procedure, preventive measures may be applied where the collected evidence indicates a high probability that the person committed the alleged offence. This evidentiary threshold alone is not enough for detention. The court must also identify a specific risk justifying the measure.[1]

The principal grounds for temporary arrest are set out in Article 258 of the Code. They include:

• a justified fear that the suspect will abscond or hide, particularly where identity cannot be established or there is no permanent residence in Poland;
• a justified fear that the suspect will unlawfully influence witnesses, co-suspects or other participants in the proceedings, or otherwise obstruct the case;
• the severity of the potential penalty, where the accused faces a serious custodial sentence and the statutory conditions are met;
• a justified fear that the accused will commit a new serious offence, in circumstances specified by the Code.

A serious allegation does not, by itself, justify detention. The court should explain why the risk cannot be addressed through bail conditions or other non-custodial measures.

When can bail replace temporary arrest?

Polish bail may be offered by the accused, a family member, an employer, a business partner or another person. It can take the form of cash, securities, a mortgage or a pledge. The amount should reflect the person’s financial circumstances, the nature of the allegations, the expected penalty and the risk that the person may fail to comply with procedural obligations.

The court or prosecutor may release a person from custody after bail is paid or secured. However, the decision may also impose additional conditions, including:

• police supervision and regular reporting;
• a ban on contacting specified persons, including witnesses or alleged victims;
• a ban on leaving Poland;
• surrender of a passport or other travel document;
• a ban on approaching specified places;
• an obligation to provide information about changes of residence or employment.

Under Article 257 of the Code of Criminal Procedure, temporary arrest should not be imposed if another preventive measure is sufficient. This principle is important in applications for release. The defence should present verifiable information showing that the risks identified by the court can be managed through less restrictive measures.[1]

For example, a person managing a company may show stable residence, family ties, ongoing employment, a structured reporting plan, willingness to surrender travel documents and the ability to provide a meaningful financial guarantee. In cases involving alleged economic crime, the defence may also address concerns about access to company records, witnesses or electronic data through targeted contact restrictions rather than detention.

Three statutory exceptions to pre-trial detention

Article 259 of the Code of Criminal Procedure contains safeguards intended to limit the use of detention where its consequences would be disproportionate. The three important exceptions are:

1. Danger to life or health. Temporary arrest should not be applied where it would cause serious danger to the life or health of the accused.
2. Exceptionally severe consequences for the accused or the accused’s family. Detention should not be applied where it would entail exceptionally severe consequences for the accused or their immediate family.
3. Likely sentence of no more than one year. Temporary arrest should not be applied where, based on the circumstances of the case, it can be predicted that the court will impose a suspended sentence or a term of imprisonment not exceeding one year.

These exceptions require evidence. Medical records, expert opinions, information about dependent children, care responsibilities, employment consequences and financial documentation may all be relevant. The assessment depends on the facts of the individual case.

They are not absolute in every situation. Under Article 259 § 3, the limitations in Article 259 §§ 1-2 do not apply if the accused is hiding, persistently obstructing the proceedings, or if their identity cannot be established. The court must nevertheless provide individual reasons for continuing detention.[1]

How long can pre-trial detention last in Poland?

Initially, pre-trial detention may be ordered for up to three months. If the investigation cannot be completed, the period may be extended by a regional court. As a rule, detention during the investigation may last up to 12 months. Further extensions are possible only in circumstances specified by Article 263 of the Code of Criminal Procedure.

Before the first judgment is issued by the court of first instance, the total period of detention should generally not exceed two years. A further extension requires a decision of the Supreme Court and exceptional circumstances, such as prolonged proceedings caused by objective obstacles, proceedings conducted abroad, deliberate obstruction or a complex evidentiary situation.[1]

Every extension should be assessed independently. The passage of time matters. Reasons which may justify detention at an early stage, such as the need to question key witnesses, may become insufficient once the evidence has been secured. This approach is also consistent with Article 5 of the European Convention on Human Rights, which protects the right to liberty and requires judicial scrutiny of detention.[2]

How to apply for release from detention

A detained person and their defence counsel may request revocation or modification of a preventive measure under Article 254 of the Code of Criminal Procedure. The request should address the specific grounds relied upon by the court or prosecutor, rather than merely challenge the allegations.

An effective application for release may include:

• a concrete bail proposal, including the source and form of security;
• evidence of permanent residence, employment, family ties and business responsibilities;
• a realistic plan for police supervision and compliance with contact restrictions;
• medical or family evidence relevant to Article 259;
• an explanation of why witnesses and evidence are no longer at risk of interference;
• arguments showing that the anticipated penalty does not support continued detention.

A decision imposing or extending temporary arrest may also be appealed. Deadlines are short, and the procedural position may change quickly, particularly after new evidence is collected or witnesses are questioned. Early review of the case file is therefore important.

Kopeć & Zaborowski (KKZ) advises individuals and companies facing criminal proceedings, including matters involving temporary arrest, bail conditions and allegations of economic crime. The law firm’s criminal defence team can assess procedural risks and the available legal measures in a specific case.

This is informational material, not legal advice.

Where temporary arrest has been applied or requested, it may be important to promptly consult the case with a lawyer and discuss possible procedural steps. An early assessment can help clarify detention risks, available bail conditions and the scope of defence rights.

FAQ – Bail and Pre-Trial Detention

Can a person be released on bail in Poland after being temporarily arrested?

Yes. A court may replace temporary arrest with property bail, often combined with police supervision, a passport surrender order, contact restrictions or a travel ban. Release depends on whether these measures adequately address the procedural risks.

Who can pay bail in Poland?

Bail may be provided by the accused or by another person, including a family member, employer or business partner. The source of the funds or security should be transparent and capable of verification.

Does paying bail mean that the criminal case is over?

No. Bail is a preventive measure, not an acquittal or discontinuance of proceedings. The person remains obliged to comply with all procedural requirements and any additional conditions imposed by the authority.

How quickly can a request for release from temporary arrest be made?

A request to revoke or change a preventive measure can be submitted during the proceedings. The practical timing depends on the stage of the case, new evidence and the reasons given for detention.

Can a foreign national obtain bail in Poland?

Yes, but the court may assess flight risk carefully. Stable accommodation, professional or family ties, a clear travel-document arrangement and an enforceable reporting plan may be relevant to the assessment.

What happens if bail conditions are breached?

The bail may be forfeited or collected for the State Treasury. The authority may also impose stricter measures, including temporary arrest, depending on the nature and seriousness of the breach.

Bibliography

[1] Act of 6 June 1997 – Code of Criminal Procedure, consolidated text: Journal of Laws of 2025, item 46, in particular Articles 249, 257-259, 263 and 254, available through the Polish Legal Information System ISAP.

[2] Convention for the Protection of Human Rights and Fundamental Freedoms, done at Rome on 4 November 1950, Article 5.

[3] European Court of Human Rights, Guide on Article 5 of the European Convention on Human Rights – Right to liberty and security, Council of Europe, regularly updated.