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Preventive detention

Placement in an institution for offenders in need of withdrawal treatment under section 22 StGB

Placement of offenders in need of withdrawal treatment under section 22 StGB: requirements, distinction from section 21 StGB and a maximum duration of two years.

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25 June 2026 · Mag. Christopher Angerer, Rechtsanwalt

Anyone who comes into contact with criminal law because of an addiction problem quickly encounters a particular legal consequence: placement in an institution for offenders in need of withdrawal treatment under section 22 StGB. It is not a punishment but a preventive measure with a clear aim, withdrawal treatment. Those who know its requirements and limits can better assess the path ahead.

This post explains when placement under section 22 StGB comes into consideration, how it is distinguished from placement under section 21 StGB and how long it may last. At the centre are the three requirements of addiction, a connected offence and a danger of further offences, as well as the statutory maximum duration of two years. Review and conditional release are governed by sections 25, 47 StGB.

Which question concerns you?

Requirements, distinction, duration or review, what do you need?

Placement under section 22 StGB is tied to strict requirements and limited to two years. Choose the topic that concerns you right now and you will receive an assessment with concrete first steps and the matching in-depth reading.

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01 Question 1

What is your concern about placement under section 22 StGB?

Placement in an institution for offenders in need of withdrawal treatment is a preventive measure aimed at withdrawal treatment. It is tied to strict requirements, must be distinguished from placement under section 21 StGB and is limited to two years. Choose what your concern is right now.

All paths at a glance

Overview of all answers.

01

Placement under section 22 StGB requires addiction, a connected offence and a danger of further offences.

Placement under section 22 StGB comes into consideration where a person is addicted to the abuse of an intoxicating substance or narcotic and commits an offence connected with or attributable to that addiction. In addition, there must be a danger that the person will commit further offences in connection with the addiction. Only the combination of these requirements supports the measure. Its aim is not punishment but withdrawal treatment.

What to do now: First, examine whether the underlying offence actually arises from or is connected with the addiction. Second, question the dangerousness prognosis, that is whether further offences connected with the addiction are likely. Third, clarify whether the measure is omitted, for instance because the attempt appears hopeless.

In depth: preventive detention at a glance →
02

Placement under section 22 StGB is omitted where the requirements of placement under section 21 StGB are met.

Both measures are custodial preventive measures, but they attach to different causes. Section 21 StGB concerns placement for a serious and lasting mental disorder on which the underlying offence is based. Section 22 StGB concerns addiction to an intoxicating substance or narcotic and withdrawal treatment. The law sets a priority: placement under section 22 StGB is omitted where the requirements of placement under section 21 StGB are met.

What to do now: First, read the expert opinion to see whether a mental disorder within the meaning of section 21 StGB or an addiction is decisive. Second, note the different legal consequences, because placement under section 22 StGB is limited to two years. Third, coordinate the correct classification with the defence, because it determines duration and enforcement.

In depth: placement under section 21 StGB →
03

Placement under section 22 StGB serves withdrawal treatment and may not exceed two years.

The measure aims at the withdrawal treatment of the person placed. Unlike placement under section 21 StGB, it is limited from the outset under section 22 StGB: it may not exceed two years. Within this limit the duration depends on the success of treatment and on the continuing dangerousness. Where the measure was ordered alongside a sentence, the time spent in the enforcement of the measure must be taken into account.

What to do now: First, have the course of treatment documented, because it is decisive for the duration and for a later release. Second, keep the two-year limit in view and prepare its expiry in good time. Third, have the relationship to the sentence and the crediting of the treatment time clarified.

In depth: preventive detention at a glance →
04

Placement is reviewed at least once a year (section 25 StGB); conditional release is governed by section 47 StGB.

The measure is to be enforced only for as long as its purpose requires. Under section 25 StGB the court must examine of its own motion at least once a year whether continued placement is still necessary; the annual period runs from the last decision at first instance. If the dangerousness falls away, the person is to be released. Conditional release from the custodial preventive measure is governed by section 47 StGB, where it can be assumed that the dangerousness no longer exists; a probationary period, instructions and probation assistance may be ordered.

What to do now: First, keep the annual review in view and submit documents on the progress of treatment. Second, support the dangerousness prognosis with therapeutic reports. Third, prepare a conditional release under section 47 StGB and consider possible instructions early.

In depth: review and conditional release →

The requirements under section 22 StGB

Placement in an institution for offenders in need of withdrawal treatment attaches to three requirements. First, the person must be addicted to the abuse of an intoxicating substance or narcotic. Second, the person must commit an offence connected with or attributable to that addiction. Third, there must be a danger that the person will commit further offences in connection with the addiction.

The inner connection between addiction and offence is the core of the measure. Not every offence of an addicted person suffices; there must be a link to the addiction, whether the offence arises from it or is attributable to it. The dangerousness prognosis, too, relates to this connection, since it concerns further offences in connection with the addiction.

The measure is omitted in certain circumstances. It does not apply where the requirements of placement under section 21 StGB are met, where an attempt at withdrawal treatment appears hopeless or where the means necessary for the measure are not available. Placement thus remains confined to cases in which treatment is sensible and feasible.

Distinction from placement under section 21 StGB

Placement under section 22 StGB must be distinguished from placement under section 21 StGB. Both are custodial preventive measures, but they attach to different causes. Section 21 StGB concerns placement for a serious and lasting mental disorder on which the underlying offence is based. Section 22 StGB, by contrast, concerns addiction to an intoxicating substance or narcotic and aims at withdrawal treatment.

The law sets a clear relationship. Placement under section 22 StGB is omitted where the requirements of placement under section 21 StGB are met. So where a mental disorder within the meaning of section 21 StGB is decisive, that measure takes priority. Only where its requirements are not met does placement for addiction come into consideration.

The distinction has considerable consequences. Placement under section 22 StGB is limited from the outset to two years, whereas placement under section 21 StGB does not have this fixed upper limit. The correct classification therefore determines the possible duration and the enforcement. It regularly rests on an expert opinion, which the court and the defence evaluate carefully.

Two measures compared

Placement under section 22 StGB and under section 21 StGB side by side

Both are custodial preventive measures but differ in their basis, aim and maximum duration. The overview places the most important points side by side.

Comparison of placement under section 22 StGB and placement under section 21 StGB
Feature Placement section 22 StGB Placement section 21 StGB
Basis Cause Addiction to an intoxicating substance or narcotic Serious and lasting mental disorder
Aim Purpose Withdrawal treatment Forensic therapeutic treatment
Maximum duration Time limit May not exceed two years No fixed upper limit in this form
Priority Relationship Omitted where section 21 StGB applies Takes priority over placement under section 22 StGB
Review Check At least annually (section 25 StGB) At least annually (section 25 StGB)

The correct classification regularly rests on an expert opinion and determines duration and enforcement. In both cases review and conditional release are governed by sections 25, 47 StGB.

Maximum duration, review and release

Placement under section 22 StGB is limited to two years; it may not exceed this duration. Within the limit the actual duration depends on the success of treatment and on the continuing dangerousness. Where the measure was ordered alongside a sentence, the time spent in the enforcement of the measure must be taken into account.

The measure is to be enforced only for as long as its purpose requires. Under section 25 StGB the court must examine of its own motion at least once a year whether continued placement is still necessary. The annual period runs from the last decision at first instance. If the dangerousness falls away, the person is to be released and the measure lifted.

Conditional release from the custodial preventive measure is governed by section 47 StGB. It requires that it can be assumed the dangerousness no longer exists. A probationary period as well as instructions and probation assistance may be ordered, accompanying the transition into a life without addiction and without further offences.

Frequently asked questions

What people often ask about placement under section 22 StGB.

What is placement under section 22 StGB? +

It is placement in an institution for offenders in need of withdrawal treatment. It is not a punishment but a preventive measure aimed at withdrawal treatment. The requirement is that the person is addicted to the abuse of an intoxicating substance or narcotic, commits a connected offence and that there is a danger of further offences in connection with the addiction.

How long may placement under section 22 StGB last? +

The placement may not exceed two years. Within this limit the actual duration depends on the success of treatment and the continuing dangerousness. Under section 25 StGB the court examines at least once a year whether continued placement is still necessary.

How does section 22 StGB differ from section 21 StGB? +

Section 22 StGB attaches to addiction to an intoxicating substance or narcotic and aims at withdrawal treatment, limited to two years. Section 21 StGB concerns placement for a serious and lasting mental disorder. Placement under section 22 StGB is omitted where the requirements of placement under section 21 StGB are met.

When is placement under section 22 StGB omitted? +

The measure is omitted where the requirements of placement under section 21 StGB are met, where an attempt at withdrawal treatment appears hopeless or where the means necessary for the measure are not available. It thus remains confined to cases in which treatment is sensible and feasible.

How is a release decided? +

The measure is to be enforced only for as long as its purpose requires. Under section 25 StGB the court examines at least annually whether it remains necessary. Conditional release is governed by section 47 StGB, where it can be assumed that the dangerousness no longer exists; a probationary period, instructions and probation assistance may be ordered.

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