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Appeals
International legal assistance in criminal proceedings: evidence, service and questioning from abroad
International legal assistance in Austrian criminal proceedings: evidence, service, questioning and file access where another state is involved.
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Mag. Christopher Angerer, Rechtsanwalt
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7 July 2026 · Mag. Christopher Angerer, Rechtsanwalt
Criminal proceedings do not stop at borders. Evidence may be abroad, witnesses may live in another state, documents may be served internationally or questioning may take place across borders. Accused persons need to know which rights still apply.
This article deals with international legal assistance in criminal proceedings. It is distinct from extradition and the European arrest warrant. The focus is evidence, service, questioning, file access and coordination under ARHG, EU-JZG and the StPO.
Quick assessment
Which starting point fits your proceedings?
Choose the situation closest to yours. You will receive an initial orientation and the next practical step.
Already know you want to send an enquiry? Go straight to the contact form.
Which situation is at stake?
The first assessment depends on whether there is already a complaint, summons, concrete evidence or upcoming hearing.
All paths at a glance
Overview of all answers.
Attend questioning prepared.
Before making a statement, clarify your role, the evidence and whether silence, partial information or a prepared statement is appropriate.
Examine evidence fully and in context.
Individual messages, records or statements can mislead. The timeline, full context and possible exculpatory material matter.
Prepare the hearing actively.
Before the main hearing, evidence applications, mitigating factors, documents and the statement decision should be clarified.
Overview
Which legal assistance measure is involved?
| Area | Example | Defence question |
|---|---|---|
| Evidence | Documents, data, account records | Was the evidence obtained and used lawfully? |
| Service | Summonses, decisions, penalty orders | Was service effective and understandable? |
| Questioning | Witnesses or accused persons abroad | Which rights apply during questioning? |
| File access | Foreign investigation results in Austria | Is the full context in the file? |
Legal basis and distinction
Legal basis and distinction
Depending on the state and measure, international legal assistance may rely on the ARHG, EU cooperation instruments and the EU-JZG. The StPO remains decisive for the Austrian proceedings.
Legal assistance is not automatically extradition. Extradition and the European arrest warrant concern surrender of a person. Other legal assistance usually concerns evidence, service and individual investigative steps.
Evidence from abroad
Evidence from abroad
Foreign evidence can shape Austrian proceedings significantly. It may include documents, bank records, data, expert material or witness statements. The defence must examine how the evidence was obtained and whether it can be used in Austria.
It is not enough to read the translation alone. Route of collection, original context, accompanying notes, restrictions and possible exculpatory material all matter.
Service, language and deadlines
Service, language and deadlines
International service often creates misunderstandings. A summons or decision must reach the person in a way that allows a response. Language, route of service, proof of receipt and legal remedies information are therefore important.
The defence should not look only at the date of receipt. It must be checked which document was served, in which language, with which information and which deadline was actually triggered.
Questioning abroad
Questioning abroad
Anyone questioned abroad must understand their role, rights and the purpose of the questioning. Accused persons, witnesses and persons providing information have different duties and rights.
Before making a statement, file access should be considered. In cross-border cases, an unprepared statement in one state can later become important in Austrian proceedings.
Coordination is the core task. In cross-border legal assistance, proceedings, languages and file status must be brought together. Without coordination, deadlines and statements can go wrong quickly.
Frequently asked questions
What you need to know about legal assistance.
Is legal assistance the same as extradition? +
No. Extradition and the European arrest warrant concern surrender of a person. Legal assistance often concerns evidence, service, questioning or file access.
Can I refuse questioning abroad? +
That depends on your role, the applicable law and the request. Before any statement, clarify whether you are accused or a witness and which rights apply.
What matters with foreign-language documents? +
Translation, completeness and context. Attachments, accompanying notes and exculpatory parts of the foreign file can be just as important as the translated excerpts.
Related topics
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Topics
legal assistanceARHGEU-JZGforeign evidenceservicequestioning
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