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Extradition to third countries: when limitation prevents surrender

Extradition from Austria over an old offence or judgment: check treaty priority and limitation of prosecution or enforcement under § 18 ARHG.

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Mag. Christopher Angerer, Rechtsanwalt

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3 November 2026. Mag. Christopher Angerer, Rechtsanwalt

Extradition from Austria to a third country can be prevented by limitation. Where the issue is governed by § 18 of the Austrian Extradition and Mutual Assistance Act (ARHG), it is sufficient for prosecution or enforcement to be time-barred under the requesting state's law or Austrian law. That rule does not require limitation in both states at the same time.

First, the applicable treaty must be established. Subsequently, the purpose of the request and the complete sequence of events are examined. Anyone detained in Austria over an old allegation should promptly ask defence counsel to review the request, decisions, and proof of service. The number of years that have passed does not by itself establish the objection.

Your situation

What remains unresolved in your extradition request?

This selection organises the assessment. It does not calculate a period or confirm limitation.

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01 Question 1

Which document or procedural situation applies?

This selection organises the assessment. It does not calculate a period or confirm limitation.

All routes at a glance

Which situation applies?

01

Identify the treaty framework

Have the requesting state and the complete request available. Ask counsel to check the treaty, reservations and temporal application.

Identify the treaty framework →
03

Document finality and enforcement

Collect the judgment, evidence of finality and enforcement history. Have limitation of enforcement assessed under the applicable rules.

Document finality and enforcement →
04

Coordinate legal protection immediately

Send the decision, proof of service and surrender date to defence counsel immediately. The admissibility appeal and protection against detention must be addressed separately.

Coordinate legal protection immediately →

Identify the treaty and its limitation rule first

To the extent that international agreements do not provide otherwise, the statutory provisions apply under § 1 ARHG. Defence counsel must therefore establish which extradition treaty governs relations with the requesting state. The assessment must include its temporal application, amendments and effective reservations. A country outside the EU may still have an extradition treaty with Austria.

The significance of limitation under Austrian law can be changed by a different treaty rule. Consequently, it is unsafe to present § 18 ARHG as a guaranteed bar independently of the treaty. Equally, the existence of a treaty does not remove statutory protection in its entirety. The decisive question is which specific limitation rule applies to the request.

Distinguish prosecution from enforcement

The conduct of criminal proceedings is the subject of a request for prosecution. A request for enforcement seeks enforcement of a sanction already imposed. Where several allegations or decisions are involved, the purpose must be established for each part of the request. That question is not answered on its own by an old arrest warrant.

Should § 18 ARHG apply, the relevant limitation issue is assessed independently under both legal systems. A relevant time bar under either one suffices. The longer period is not simply selected, and foreign and Austrian rules are not combined into a single calculation. Surrender under a European Arrest Warrant follows a separate legal framework.

Document the offence dates and foreign prosecution measures

The starting point and the factors affecting the running of time for limitation of prosecution under Austrian law are determined by §§ 57 and 58 StGB. Important are the end of the alleged conduct, its classification under Austrian law, and the applicable statutory penalty. The calculation can be changed by statutory exceptions, later events, and the relevant version of the law.

A search measure, questioning, or another procedural step abroad may also matter. Under the legal system being examined, the precise content, date, and legal effect of such a step must be assessed. A step described as an interruption does not restart the period in every jurisdiction. In extradition case 14 Os 160/10a of 1 March 2011, subsequently documented foreign search measures were material to the Austrian limitation assessment.

Reconstruct finality and enforcement for an old judgment

The full judgment and evidence of when it became final are required by defence counsel for an enforcement request. For the Austrian assessment, the start of the period is tied by § 59 StGB to the finality of the decision. The relevant period is determined by the sanction, and the law also provides for cases where enforcement does not become time-barred. Offence date, judgment date and finality must therefore be distinguished.

Further factors, including periods excluded from the calculation and interruption through enforcement, are regulated by § 60 StGB. The requesting state's law must be assessed under its own provisions. Austrian rules on time spent abroad or deferral cannot automatically be applied to that law. Time already served, release, and later decisions must be included with precise dates.

Prepare a documented chronology rather than counting years

A date and a documentary reference are assigned by a reliable chronology to every event. Beginning with the alleged offence period, it records questioning, search orders, charges, judgment, finality, time served and release. For each legal system, the applicable provision and its effect are recorded separately. Missing documents remain identifiable as unresolved questions.

The complete foreign decisions, relevant legislation, and reliable translations must therefore be considered alongside the request. Should the requesting state assert interruption or suspension, defence counsel must be able to examine the legal significance of the identified event. Under § 33 ARHG, admissibility is assessed from the request and its supporting documents. Specific inconsistencies and missing dates should be identified precisely.

Raise the objection in admissibility proceedings and protect liberty

Under § 31 ARHG, limitation should be raised early in the judicial admissibility proceedings. Defence counsel can identify missing information, seek its provision, and request an oral hearing. The appropriate appeal against an admissibility decision must be made in time. For a decision pronounced orally, § 31 Abs. 6 ARHG provides for notice of appeal within three days and fuller grounds within fourteen days after service of the written decision. The appeal has suspensive effect.

Neither the appeal nor separate protection against extradition detention under § 29 ARHG is replaced by a mere reference to limitation. While an established bar to extradition can be decisive for the purpose of detention, asserting one does not automatically secure release. Should extradition be finally declared inadmissible, the Federal Minister of Justice must refuse it to that extent under § 34 ARHG. Consequently, decisions and announced surrender dates should reach defence counsel immediately.

FAQ

Questions about limitation and extradition

Must the offence be time-barred in both states? +

Where § 18 ARHG governs the issue, sufficiency is established by a relevant time bar under either the requesting state's law or Austrian law; nevertheless, the first step remains to check whether an applicable treaty contains a different rule.

Is the age of the foreign arrest warrant sufficient? +

Limitation is not established by the date of issue alone. The purpose of the request, the correct starting point, and all legally relevant events matter. The running of time may also have been affected by earlier measures.

Does every search measure restart the period? +

The applicable legal system and the specific step taken determine the effect of a search measure. Distinctions must be drawn between suspension, excluded periods, and interruption with a fresh start. A uniform international rule for this does not exist.

Does raising limitation end extradition detention? +

The ending of detention is not achieved by merely asserting limitation. Defence counsel must assess the objection to extradition separately from the conditions for continuing detention. Immediate action is required by a decision or an imminent surrender date.

Further reading

Legal protection in extradition detention

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