Surveillance and Wiretapping in Poland: Defense Strategies

Surveillance and wiretapping are forms of obtaining information without the knowledge of the person concerned, including the interception of telephone calls, electronic communications, location data, or other communications. In Poland, such measures may be used in criminal proceedings and in operational activities conducted by authorised services. Their use interferes with the constitutional secrecy of communication and therefore requires a clear statutory basis, necessity, and procedural safeguards.[1]

For a defendant or a company, surveillance evidence may create immediate criminal, regulatory, reputational, and operational risks. Recordings can trigger searches, detentions, asset-freezing measures, media attention, or internal investigations. A prompt wiretapping defense in Poland should therefore examine not only what was recorded, but also how the material was obtained, secured, selected, and introduced into the case file.

Legal frameworks for surveillance evidence in Poland

Polish law distinguishes between procedural wiretapping in criminal proceedings and operational surveillance carried out before or alongside formal proceedings. Procedural interception is regulated primarily by Articles 237-242 of the Polish Code of Criminal Procedure. It may concern, among other things, the control and recording of telephone conversations and other communications where this is necessary for criminal proceedings involving offences listed in the statute.[2]

Operational surveillance is regulated separately in the statutes governing particular services. For example, Article 19 of the Police Act permits operational control only in relation to specified serious offences and generally requires prior judicial approval. Similar mechanisms apply to other authorised bodies, including the Internal Security Agency and the Central Anti-Corruption Bureau.[3]

The applicable legal regime matters. A measure that may be lawful as operational control is not assessed in the same way as evidence obtained after formal criminal proceedings have begun. Defence counsel should identify the authority involved, the legal basis invoked, the scope of the authorisation, and the dates of interception.

Illegal wiretap and the Polish approach to suppression

Poland does not apply a simple United States-style exclusionary rule under which every illegally obtained recording is automatically removed from a case. Article 168a of the Code of Criminal Procedure provides that evidence cannot be regarded as inadmissible solely because it was obtained in breach of procedural rules or through a prohibited act.

This rule has three statutory exceptions where evidence was obtained by a public official acting in connection with official duties as a result of:

• murder;
• intentional bodily harm;
• deprivation of liberty.

These exceptions are narrow. In other situations, an illegal wiretap does not automatically result in suppression. However, unlawfulness can still be highly relevant to the assessment of reliability, the fairness of proceedings, the scope of evidence, the liability of officials, and possible remedies under domestic and European human rights standards.

Article 49 of the Constitution protects the freedom and secrecy of communication. Article 8 of the European Convention on Human Rights protects private life and correspondence. Interference must be lawful, necessary, proportionate, and accompanied by effective safeguards against abuse.[1][4]

Wiretapping defense Poland: key areas of review

An effective review usually begins with the authorisation documents. Counsel should verify whether the decision identified a legally qualifying offence, the monitored person or communication channel, the purpose of the measure, and its permitted duration. Broad or unclear descriptions may raise questions about proportionality and whether the actual surveillance exceeded the authorised scope.

The next issue is necessity. Surveillance is intended to be an exceptional investigative measure, not a routine substitute for ordinary evidence-gathering. The case file should show why less intrusive methods were insufficient or impracticable. This can be particularly important in white-collar cases, where investigators may have access to accounting records, corporate documents, witnesses, and digital systems.

A further issue concerns extensions and emergency procedures. The law permits specific urgent actions in limited circumstances, but they remain subject to statutory conditions and subsequent judicial review. Missing approvals, delayed applications, or surveillance continuing beyond the authorised period may provide grounds to challenge the use and weight of the recordings.

Reliability, completeness, and context of recordings

Even lawfully obtained surveillance evidence may be incomplete or misleading. A recording can contain poor audio, missing fragments, ambiguous language, slang, technical terminology, or statements detached from the surrounding conversation. In cross-border cases, translation quality is often decisive.

Defence strategy should address the original files, metadata, transcripts, translations, and chain of custody. It may be necessary to compare transcripts against recordings, seek expert analysis, request fuller contextual material, or challenge selective presentation by the prosecution. A short excerpt rarely proves the complete meaning of a business discussion.

Practical suppression and procedural motions

A suppression request should be specific. Rather than alleging generally that surveillance was unlawful, the motion should identify the relevant legal provision, document, date, omission, or inconsistency. Depending on the procedural stage, counsel may seek access to authorisation materials, challenge the admission or reading of particular evidence, request additional evidence, or preserve objections for appellate review.

In business crime matters, the defence should also assess whether intercepted material reveals legally privileged communications, trade secrets, personal data, or information irrelevant to the alleged offence. Such material may require separate procedural action and a careful internal response to protect the company’s interests.

Kopeć & Zaborowski (KKZ) assesses surveillance evidence together with the wider procedural and business context. This includes the impact of recordings on management decisions, employment issues, compliance investigations, communications strategy, and the continuity of key operations.

Immediate steps after learning of surveillance

1. Secure relevant corporate records, devices, and communication policies without altering or deleting data.
2. Establish who may speak for the company and avoid informal explanations to investigators or the media.
3. Identify whether searches, requests for documents, or employee interviews are connected to the surveillance.
4. Review the case file promptly, including recordings, transcripts, orders, and related evidence.
5. Consider an internal fact-finding review that does not interfere with criminal proceedings or witness integrity.

This is informational material, not legal advice. The available defence measures depend on the facts, the service involved, the type of surveillance, and the stage of proceedings.

In criminal matters involving surveillance or wiretapping, it may be useful to consult the case with a lawyer and obtain an assessment of the available procedural steps. Early legal review can help clarify the significance of surveillance material and the scope of defence rights.

FAQ – Surveillance and Wiretapping in Poland

Can illegally obtained wiretap evidence be suppressed in Poland?

Not automatically. Article 168a of the Code of Criminal Procedure limits automatic exclusion, but unlawfulness may still affect the fairness, reliability, and evidential value of the material.

Who authorises wiretapping in Poland?

Authorisation depends on the type of measure. Procedural interception and operational control generally involve judicial supervision, with limited statutory emergency procedures.

Can a company challenge surveillance evidence?

A company may act through authorised representatives and counsel where surveillance affects its rights, confidential information, employees, or criminal exposure. The available procedural tools depend on its status in the proceedings.

Does the police have unlimited access to business communications?

No. Surveillance must have a statutory basis and remain within the approved subject matter, scope, and duration. Business communications may nevertheless become evidence if lawfully intercepted and relevant to a case.

Can transcripts of recordings be challenged?

Yes. The defence may examine whether the transcript reflects the original recording accurately, whether translations are reliable, and whether context has been omitted.

What should happen to irrelevant operational surveillance material?

The statutes governing operational control provide rules on transferring relevant material and destroying material that is not required for proceedings. The precise requirements depend on the service and legal basis involved.

Bibliography

• [1] Constitution of the Republic of Poland of 2 April 1997, Article 49; European Convention on Human Rights, Article 8.
• [2] Act of 6 June 1997 – Code of Criminal Procedure, in particular Articles 168a and 237-242, consolidated text available through the Polish Legal Acts Database (ISAP).
• [3] Act of 6 April 1990 on the Police, Article 19, consolidated text available through ISAP.
• [4] European Court of Human Rights, Roman Zakharov v. Russia [GC], application no. 47143/06, judgment of 4 December 2015.