Austrian criminal proceedings do not permit every witness examination. Pursuant to Section 155 of the StPO, certain persons may not be examined as witnesses at all. These include, for example, clergy in connection with confession, certain officials with a statutory duty of confidentiality, or persons who, due to a mental impairment, cannot reliably state the truth. If an examination takes place despite such a prohibition, this can lead to nullity.

The prohibition of examination as a witness protects certain persons from being questioned as witnesses at all. It therefore differs significantly from the mere refusal to testify or exemption from testifying.

Section 155 of the StPO explained simply. When an examination as a witness is inadmissible and which persons are protected.
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Prohibition of Examination as a Witness

In criminal proceedings, not every person may be questioned as a witness. In certain cases, an examination is inadmissible from the outset. This protects sensitive relationships of trust, state interests in secrecy, and persons who cannot provide a reliable statement.

The prohibition of examination goes significantly further than a mere refusal to testify. In the case of a refusal to testify, a person could fundamentally testify but is allowed to decline. In the case of a prohibition of examination, the legal basis for the questioning itself is already lacking.

It is precisely this distinction that often leads to misunderstandings. Many affected individuals equate a prohibition of examination with a right to remain silent. In fact, however, these are two different protective mechanisms with completely different legal effects.

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Persons Who May Not Be Examined as Witnesses

The protection of clergy is particularly well-known. Content from confession or comparable confidential communications under clerical official secrecy may not be the subject of a witness examination.

Furthermore, certain officials are protected, provided they are subject to statutory secrecy obligations and no waiver of confidentiality has been granted. Similar rules apply to persons with access to certain classified information of parliamentary institutions.

Another focus concerns persons who, due to a mental illness or a comparable impairment, cannot provide a reliable statement. If the ability to truthfully reproduce perceptions is lacking, a permissible witness examination is ruled out.

This is intended to prevent criminal proceedings from being based on statements that are legally problematic or unreliable in terms of content.

Rechtsanwalt Peter Harlander Peter Harlander
Harlander & Partner Rechtsanwälte
„Not every person with knowledge of a set of facts may automatically be examined as a witness in criminal proceedings.“
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Clerical and Statutory Duties of Confidentiality

Protected duties of confidentiality are of particular importance. Certain information may not be disclosed without further ado, even in criminal proceedings. This primarily includes communications to clergy within the framework of confession or comparable confidential conversations.

There are also areas in the public service with strict secrecy obligations. Without a valid waiver, an examination regarding such content remains inadmissible.

Not every perception made in the course of duty automatically falls under this protection. Important exceptions apply to observations made within the framework of the administration of criminal justice or in the case of existing reporting obligations. It is precisely this distinction that regularly leads to legal discussions in investigative proceedings.

Prohibitions of Examination in Cases of Mental Impairment

Not every person can provide a reliable witness statement. If, due to a mental illness or a comparable impairment, there is insufficient capacity to truthfully reproduce perceptions, no witness examination may take place.

The decisive factor is not every instance of psychological stress or uncertainty. Many people find an examination stressful or emotionally taxing. However, this alone is not sufficient for a prohibition of examination. Rather, the decisive factor remains the ability to reliably grasp perceptions, categorize them correctly, and describe them in a comprehensible manner.

Particularly in the case of serious mental illnesses or significant restrictions on the ability to make decisions, the question often arises as to whether a usable statement is possible at all. In such situations, medical findings and concrete observations gain particular importance.

Attorney Sebastian Riedlmair Sebastian Riedlmair
Harlander & Partner Attorneys
„The ability to provide a reliable statement often determines whether a witness examination is permissible at all.“
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Consequences of an Inadmissible Examination

An inadmissible witness examination can influence the entire criminal proceeding. If questioning takes place despite an existing prohibition of examination, legal problems arise regarding the subsequent use of the statement.

Particularly relevant in this context is so-called nullity. This includes serious procedural errors that can directly affect the lawfulness of the proceedings. Especially in the case of unlawful examinations, the question therefore often arises as to whether courts are permitted to consider the statement at all.

Errors often arise as early as the initial investigative proceedings. Investigative authorities sometimes overlook existing duties of confidentiality or nevertheless examine protected persons as witnesses. Such violations can complicate the further course of the criminal proceedings.

Rechtsanwalt Peter Harlander Peter Harlander
Harlander & Partner Rechtsanwälte
„Even a single unlawful witness examination can have grave effects on the subsequent utilization of statements.“
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Your Benefits with Legal Assistance

The question of whether a person may be examined as a witness at all causes uncertainty in many proceedings. Legal risks quickly arise, particularly in the case of existing duties of confidentiality, psychological stress, or sensitive relationships of trust.

An early legal review helps to correctly assess one’s own position in the proceedings. Often, only a precise legal analysis reveals whether a prohibition of examination, a refusal to testify, or merely a limited right to refuse to testify actually exists.

Even individual statements can trigger significant consequences in criminal proceedings. Careful preparation therefore creates clarity regarding rights, duties, and possible risks even before an examination.

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FAQ – Frequently Asked Questions

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