Introduction
Probation for drug use in Turkey is one of the most important legal mechanisms under Turkish criminal law. Although drug use, drug possession, purchasing or accepting narcotic or stimulant substances for personal use is a criminal offence, Turkish law does not always proceed directly to a criminal trial. Instead, Article 191 of the Turkish Penal Code creates a special system based on postponement of prosecution, probation, monitoring and, where necessary, treatment.
This mechanism is especially important because many individuals who are investigated for drug use mistakenly believe that probation means the file is closed. In reality, probation under Article 191 is not an acquittal, not a dismissal and not a complete removal of criminal risk. It is a conditional legal opportunity. The suspect is given a chance to avoid a criminal trial if they comply with the obligations imposed during the postponement period.
Under Article 191 of the Turkish Penal Code, a person who purchases, accepts, possesses or uses narcotic or stimulant substances for personal use may face imprisonment from two to five years. However, for this offence, the prosecutor is required to postpone the filing of the public prosecution for five years, without applying the usual conditions of the general postponement mechanism under the Criminal Procedure Code. During this period, probation is imposed for at least one year, and the person may also be referred to treatment if necessary.
For this reason, anyone facing a drug use investigation in Turkey must understand how Article 191 works, what probation means, what happens if obligations are violated, and how the process may end without a criminal conviction.
1. Legal Basis of Probation for Drug Use in Turkey
The legal basis of probation for drug use in Turkey is Article 191 of the Turkish Penal Code No. 5237. This article regulates four main acts:
- Purchasing narcotic or stimulant substances for personal use;
- Accepting narcotic or stimulant substances for personal use;
- Possessing narcotic or stimulant substances for personal use;
- Using narcotic or stimulant substances.
These acts are punishable by imprisonment from two years to five years. However, Article 191 also establishes a special procedural rule. Instead of immediately filing an indictment, the public prosecutor postpones the filing of the public prosecution for five years. The prosecutor must also warn the suspect about the legal consequences of violating obligations or prohibitions during this period.
This special structure shows that Turkish law treats drug use cases differently from drug trafficking cases. The law still considers drug use and possession for personal use as criminal conduct, but the first response is usually supervision and rehabilitation rather than immediate trial.
This distinction is critical. Article 191 applies only where the act is connected to personal use. If the evidence suggests sale, supply, transportation, storage or possession for commercial purposes, the case may be evaluated under Article 188 of the Turkish Penal Code, which regulates drug trafficking and carries much heavier penalties.
2. What Does Probation Mean in Article 191 Cases?
Probation in Article 191 cases means that the suspect is placed under the supervision of the probation authorities during the postponement period. The person must comply with the program and obligations determined by the probation office and the public prosecutor.
The purpose is not only to monitor the person but also to prevent repeated drug use. The probation system may include regular appointments, reporting duties, participation in educational programs, medical assessment, treatment referral and drug testing.
Article 191 provides that probation must be applied for at least one year. This period may be extended by six-month periods, either upon the proposal of the probation office or by the prosecutor’s own decision, for a maximum of two additional years. If necessary, the person may also be subjected to treatment during the probation period.
Therefore, the probation process may be short or long depending on the person’s situation, compliance, risk level and the assessment of the authorities. The fact that the minimum period is one year does not mean that every case automatically ends after one year. The broader postponement period is five years.
3. Five-Year Postponement of Public Prosecution
The most important procedural result of Article 191 is the five-year postponement of public prosecution. This means that the prosecutor does not immediately file a criminal case before the court. Instead, the suspect is monitored during the postponement period.
This five-year period is a conditional opportunity. If the person complies with the obligations, avoids new drug-related conduct and does not violate the rules, the prosecutor may issue a decision of non-prosecution at the end of the period. In practical terms, this may prevent the person from facing a full criminal trial for the Article 191 offence.
However, the file remains legally active during the postponement period. The suspect must not treat the process as finished. If the person violates obligations, refuses treatment requirements, uses drugs again or possesses drugs again for personal use during the postponement period, the prosecutor may file a public criminal case. Article 191 expressly states that where the suspect complies with obligations and does not violate the prohibitions during the postponement period, a non-prosecution decision is issued.
This is why the first legal advice in Article 191 cases is usually very practical: the suspect must take every notification, appointment, test and probation requirement seriously.
4. Drug Testing and Medical Monitoring
One of the most important features of the current Article 191 system is drug testing and institutional referral. The public prosecutor may refer the suspect to the relevant institution at least twice each year during the postponement period to determine whether the person has used narcotic or stimulant substances.
This provision is highly important in practice. Even if the active probation period ends, the five-year postponement period may still continue. During this period, the suspect may still be checked for drug use. Therefore, a person should not assume that the risk ends immediately after completing the initial probation program.
Drug testing may involve referral to a health institution or another competent body. If the result indicates drug use, this may be treated as a violation under Article 191. However, the defence may still examine whether the testing procedure was lawful, whether the person was properly notified, whether the sample was properly taken, whether the report is reliable and whether any medical explanation exists.
5. Treatment Measures under Article 191
Article 191 allows treatment where necessary. Treatment is not automatically imposed in every case, but it may be ordered if the authorities consider it appropriate. The purpose of treatment is to address addiction, prevent repeated use and support rehabilitation.
Treatment may involve medical examination, addiction assessment, participation in treatment programs or other health-related measures. If treatment is ordered, the person must comply with the requirements. Failure to comply with treatment obligations may create a violation risk.
However, treatment should not be seen only as a burden. In many cases, active participation in treatment may help the suspect demonstrate compliance, responsibility and rehabilitation. From a defence perspective, treatment records may also be useful if the case later proceeds to court. They may show that the person did not act with trafficking intent and that the matter concerns personal use and health-related rehabilitation.
6. What Happens If the Person Violates Probation?
Violation of probation is the most dangerous stage in Article 191 cases. Article 191 provides several grounds that may lead to the filing of a public criminal case.
A public case may be filed if, during the postponement period, the person:
- Persistently fails to comply with the imposed obligations;
- Persistently fails to comply with treatment requirements;
- Purchases, accepts or possesses drugs again for personal use;
- Uses narcotic or stimulant substances again.
These situations are regulated as violation grounds under Article 191. If they occur, the prosecutor may proceed with the criminal case.
The word “persistently” is important for some obligation-related violations. A single missed appointment may not always be enough by itself, depending on the circumstances. The defence may examine whether the person was properly notified, whether there was a valid excuse, whether the warning procedure was followed and whether the alleged non-compliance truly reached the level required by law.
However, repeated drug use or renewed possession during the postponement period is treated more seriously. In such cases, the prosecutor may open the criminal case based on the violation.
7. Does a New Drug Use Act Create a Separate Case?
Article 191 contains a special rule for repeat drug use or possession during the postponement period. If the person uses drugs again, or purchases, accepts or possesses drugs again for personal use during the five-year postponement period, this is treated as a violation of the existing postponement process and is not made the subject of a separate investigation or prosecution.
This rule is important because it prevents unnecessary duplication of proceedings for the same type of personal-use conduct during the postponement period. However, it does not mean that there are no consequences. On the contrary, the consequence may be serious: the postponed public prosecution may be opened.
Therefore, a person who is already under an Article 191 postponement decision must be especially careful. A second incident may not create a new independent file in the same way, but it may activate the original criminal prosecution.
8. What Happens If the Public Case Is Filed?
If the person violates the obligations or prohibitions under Article 191, the prosecutor may file an indictment. Once the indictment is accepted, the case proceeds before the criminal court.
At this stage, the suspect becomes a defendant. The court examines whether the offence under Article 191 is established, whether the evidence is lawful, whether the substance was possessed or used for personal use, whether the probation violation was properly determined and whether procedural requirements were met.
If convicted, the defendant may face the statutory penalty of imprisonment from two to five years. However, depending on the circumstances, general criminal law institutions may become relevant, including sentence reduction, postponement of sentence or other procedural mechanisms. The defence strategy will depend on the facts, the defendant’s record, compliance history and the quality of the evidence.
The most important point is that the case could have been avoided if the person had complied with the probation obligations and remained drug-free during the postponement period. For this reason, Article 191 should be taken seriously from the very beginning.
9. Difference Between Article 191 and Article 188
Probation under Article 191 applies only to personal-use drug offences. It does not apply to drug trafficking.
This difference is critical. Article 191 concerns purchasing, accepting, possessing or using drugs for personal use. Article 188 concerns drug manufacturing and trafficking, including sale, supply, transportation, storage, importation, exportation and possession for trafficking purposes.
If the evidence indicates personal use, the case should be handled under Article 191. If the evidence suggests commercial purpose or distribution, Article 188 may apply. Article 188 carries very heavy prison sentences and does not provide the same probation-based approach.
In practice, disputes often arise over classification. A person may be found with narcotic substances and claim personal use, while the prosecution may argue that the amount, packaging, messages, money or circumstances indicate trafficking. The defence must carefully challenge any attempt to transform a personal-use case into a trafficking case without concrete evidence.
10. Factors Used to Determine Personal Use
Turkish courts and prosecutors evaluate several factors when deciding whether a case falls under Article 191 or Article 188. No single factor is automatically decisive. The overall factual picture must be assessed.
Common factors include:
- Quantity of the substance;
- Type and nature of the substance;
- Whether the substance was divided into small packages;
- Whether a precision scale or packaging material was found;
- Whether there are messages suggesting sale or supply;
- Whether there are witness or buyer statements;
- Whether the person has a history of drug use;
- Whether the substance was found in a personal area or public distribution context;
- Whether there was unexplained cash;
- Whether there is evidence of transfer to another person.
For Article 191 to apply, the defence should emphasize that the substance was connected only to personal use and that there is no concrete evidence of sale, supply or commercial purpose.
11. Defence Strategies in Article 191 Probation Cases
A strong defence in Article 191 cases may be required at different stages: investigation, probation, violation assessment or trial.
A. Defence at the Investigation Stage
At the investigation stage, the main objective may be to ensure that the case is correctly classified as personal use rather than trafficking. The defence should examine the amount of the substance, search records, forensic reports, statements, digital evidence and all surrounding circumstances.
If there is no evidence of sale or supply, the defence should argue that Article 191 applies. This may prevent the suspect from facing the much more severe consequences of Article 188.
B. Defence During Probation
During probation, the main priority is compliance. The person must attend appointments, follow treatment requirements, provide samples when required and avoid any new drug-related conduct.
If a problem occurs, such as missed appointments or failure to attend treatment, the defence should immediately collect evidence showing valid reasons. Medical reports, travel documents, address notification records or other documents may be important.
C. Defence Against Alleged Violation
If the prosecutor alleges a violation, the defence should examine whether the violation is legally established. Important questions include:
- Was the person properly notified?
- Was the obligation clearly explained?
- Was there a valid excuse?
- Was the failure persistent?
- Was the drug test reliable?
- Was the sample properly collected?
- Was the relevant report scientifically sufficient?
- Did the authorities comply with the required procedure?
A violation should not be accepted automatically. It must be proven lawfully and clearly.
D. Defence at Trial
If a public case is filed, the defence may challenge both the original offence and the alleged violation. The defence may argue that the substance was not linked to the defendant, that the evidence was unlawfully obtained, that the forensic report is insufficient, that possession was not proven, or that the violation procedure was defective.
12. Search and Seizure in Drug Use Cases
Many Article 191 files begin with a search: a body search, vehicle search, residence search or police stop. Search and seizure procedure is therefore very important.
The defence should examine whether the search was lawful. If evidence was obtained through an unlawful search, this may affect the reliability and admissibility of the prosecution evidence. The search report should clearly show where the substance was found, who found it, who witnessed the search, how the substance was packaged and how it was transferred for forensic examination.
If the substance was found in a shared area, such as a shared house or vehicle, the prosecution must prove that the suspect knowingly possessed it. Mere presence near a substance does not always prove personal possession.
13. Forensic Reports and Proof of Substance
A forensic report is essential in drug use cases. The seized material must be analyzed to determine whether it is a narcotic or stimulant substance. The report should identify the type and quantity of the substance.
However, a forensic report usually proves only the nature of the substance. It does not automatically prove that the suspect used or possessed it knowingly. It also does not prove trafficking intent. Therefore, forensic evidence must be evaluated together with all other evidence.
The defence may challenge the report if there are problems with chain of custody, sample collection, packaging, labeling, laboratory process or inconsistency between the seizure report and analysis report.
14. Probation for Foreigners Accused of Drug Use in Turkey
Foreign nationals accused of drug use in Turkey may face additional consequences. Article 191 may still apply if the case concerns personal use, but immigration authorities may separately assess deportation, residence permit cancellation or entry restrictions depending on the circumstances.
Foreign suspects also have procedural rights. They must understand the accusation and must receive interpretation if they do not speak Turkish. They should not sign statements or documents without understanding their content. A statement taken without proper interpretation may create serious legal problems.
For foreigners, early legal assistance is particularly important because the criminal process and immigration process may move separately. Even where the criminal file is handled through probation, administrative consequences may still arise.
15. Common Mistakes During Article 191 Probation
Many people lose the benefit of Article 191 because they underestimate the process. The most common mistakes include:
- Ignoring probation office notifications;
- Failing to update address information;
- Missing appointments without valid excuse;
- Refusing treatment or medical referral;
- Assuming the file is closed after the first appointment;
- Using drugs again during the five-year period;
- Failing to provide requested samples;
- Not seeking legal help after receiving a violation notice.
The safest approach is to treat every notification seriously and keep documentary proof of compliance. If there is a valid excuse for non-attendance, it should be documented immediately.
16. Does Probation Mean There Will Be No Criminal Record?
Probation and postponement of prosecution are not the same as a criminal conviction. If the person successfully completes the process and does not violate obligations, the prosecutor may issue a non-prosecution decision at the end of the five-year period. This is significantly different from a conviction after trial.
However, the process is not meaningless. The postponement decision and probation process may still be relevant within the legal system during the postponement period. If the person violates the rules, the criminal case may be opened. Therefore, the practical goal is not only to avoid conviction but also to complete the full five-year process without violation.
17. Frequently Asked Questions
Is drug use a crime in Turkey?
Yes. Under Article 191 of the Turkish Penal Code, using drugs, possessing drugs for personal use, purchasing drugs for personal use or accepting drugs for personal use is a criminal offence punishable by imprisonment from two to five years. However, the law usually provides a special mechanism involving postponement of prosecution and probation.
How long does probation last for drug use in Turkey?
Probation must be applied for at least one year. It may be extended by six-month periods for a maximum of two additional years. The broader postponement period is five years.
Can the suspect be tested for drug use?
Yes. The prosecutor may refer the suspect to the relevant institution at least twice each year during the postponement period to determine whether the suspect has used narcotic or stimulant substances.
What happens if probation is violated?
If the person persistently fails to comply with obligations, refuses treatment requirements, uses drugs again, or purchases, accepts or possesses drugs again for personal use during the postponement period, a public criminal case may be filed.
Does Article 191 apply to drug trafficking?
No. Article 191 applies to personal-use conduct. Drug trafficking is regulated under Article 188 and carries much heavier penalties.
Can treatment be ordered?
Yes. If necessary, the person may be subjected to treatment during the probation period.
What happens if the person successfully completes the process?
If the person does not violate obligations or prohibitions during the postponement period, the prosecutor issues a non-prosecution decision.
Conclusion
Probation for drug use in Turkey under Article 191 of the Turkish Penal Code is a conditional legal mechanism that allows a suspect to avoid a criminal trial if they comply with the rules. The law still treats drug use and possession for personal use as criminal offences, but it creates a system based on postponement of prosecution, probation, monitoring and treatment where necessary.
The key points are clear: the postponement period is five years, probation lasts at least one year, the person may be tested for drug use, treatment may be ordered, and violation of obligations may lead to a public criminal case. A person under Article 191 probation must therefore take the process seriously and comply with every requirement.
From a defence perspective, the most important issues are correct classification of the offence, legality of search and seizure, reliability of forensic reports, proper notification, lawful testing and accurate assessment of any alleged violation. If the facts show personal use, the case should remain within Article 191 and should not be wrongly treated as drug trafficking under Article 188.
For anyone accused of drug use or possession for personal use in Turkey, early legal advice is essential. A careful legal strategy may protect the suspect from unnecessary trial, prevent misclassification, challenge unlawful evidence and support successful completion of the probation process.
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