Being arrested can be a stressful and confronting experience. Understanding your rights, what police can and cannot do, and what to expect during the arrest process can help you make informed decisions and protect your interests.
In New South Wales, police may arrest a person without a warrant under the Law Enforcement (Powers and Responsibilities) Act 2002 (NSW) if they hold a reasonable suspicion that the person is committing, or has committed, an offence and the arrest is reasonably necessary in the circumstances.
Necessity may arise, for example, to prevent further offending, safeguard others, preserve evidence, or ensure the person’s appearance before a court. An arrest cannot be carried out for convenience alone. When making an arrest, police must inform the person of the reason for the arrest and, if not in uniform, provide proof of their identity as a police officer.
In NSW, an arrest warrant is a formal order issued by a court authorising police to take a person into custody. Warrants are commonly issued where a person has failed to appear in court, breached bail, or cannot otherwise be brought before the court. The power to issue such warrants is contained in sections 238 and 239 of the Criminal Procedure Act 1986 (NSW). When executing a warrant, police must inform the person that a warrant exists and explain the basis for the arrest. If you believe a warrant has been issued for you, it is important to obtain legal advice as soon as possible.
In the absence of a warrant for the arrest of a person, a police officer cannot lawfully arrest someone unless they:
All of the pre-conditions relate to what is in the mind of the officer at the time the arrest takes place. However, the requirement that the belief, or suspicion, of a police officer is reasonable means that the court will consider the basis for the belief. A reasonable suspicion cannot be arbitrary, and must have some factual basis.
You can be charged with offences related to your arrest such as resisting police, assaulting police or hindering police during the arrest process. An aspect of those offences is that the officer was ‘acting in the execution of their duty’.
If an arrest has not met the pre-conditions required by LEPRA then it is not lawful, and accordingly the officer cannot be said to be acting in the execution of their duty. Accordingly, an unlawful arrest can be a defence to criminal charges arising from the unlawful arrest.
If someone is arrested by police unlawfully, they may also be able to make a civil claim against the arresting officer and seek compensation for any damage that they have suffered as a result.
Police are permitted to use such force as is reasonably necessary to make the arrest or to prevent the escape of a person who has been arrested. If the police use force in excess of what is reasonably necessary and you suffer an injury, you may be able to seek civil action against the police to seek damages. If you are injured during an arrest immediately or as soon as practicable write down your account of what happened including date, time, location and ask any witnesses to also do so. See a doctor as soon as possible, keep all the records as they can be used as evidence. For advice call us on 02 9696 1361.
There is no limitation placed on the type of offences that the police can arrest a person in relation to. However, the arrest must be necessary for one of the purposes set out above. The police have other methods of commencing criminal proceedings beside the arrest power, and arrest is often considered to be a measure of last resort.
Minor or traffic offences are less likely to meet the prerequisites for arrest. Where police are aware of the personal details of a person, and the offence alleged is a minor one, use of the arrest power may not be seen as reasonably necessary.
Arrest is possible if you refuse to provide identification, the police suspect you will continue to commit an offence, or you are involved in serious driving offenses like dangerous driving, high-range drink driving, or a police pursuit.
An arrest can be made in a number of different ways, including by words or by physical force. There are important obligations imposed on police when an arrest is made that are designed to safeguard the rights of citizens. These obligations include restrictions as to the level force that can be applied during an arrest, and a requirement to disclose certain information.
There are certain things an officer must do when executing an arrest, otherwise an arrest may be deemed unlawful.
When executing an arrest, a police officer must:
This information is required to be provided to the arrested person as soon as is reasonably practicable.
Police are permitted to use as much force as is reasonably necessary to make the arrest or to prevent the escape of a person who has been arrested. During the arrest they may use methods ranging from handcuffs to tasers and OC spray but only if reasonably necessary in the circumstances. What is considered necessary will depend on the particular circumstances in which the arrest is executed.
If the police use force in excess of what is reasonably necessary and you suffer an injury, you may be able to seek civil action against the police to seek damages. It may also provide you with a defence to any charges that are laid against you arising out of the arrest.
When arrested you have the right to be told why you are being arrested, the right to remain silent (except for providing your name and address), and the right to contact a lawyer, friend or family member. Police must caution you that anything you say may be used as evidence.
During an arrest you generally have a right to film police officers performing their duties in a public place. However, filming must not interfere with or hinder the arrest.
People placed under arrest by police retain a number of important rights that are designed to safeguard them from unfair treatment while in police custody.
Yes, if you have been arrested, a police officer may search you during or after the arrest. This search can only be done if the police officer suspects on reasonable grounds that you should be searched in order to determine if you are carrying anything that:
Generally, you do not have to answer questions as you have a right to silence. This means that you do not have to answer questions asked by police about the alleged offence. However, there are some exceptions to this.
If you are involved in the following situations, you are obligated to provide your name and address to police:
If police suspect that:
If police:
If you are involved in a traffic incident, you are obligated to answer the following questions if asked of you by police:
You may also be required to:
After the arrest and once police have made relevant enquiries, they may release you without charge. This means you do not have an upcoming court date and you are free to go. However, the police could be undertaking further investigations and may decide to charge you later. This is not uncommon.
If you are released from police custody without being charged, it is best to not discuss the incident subject of the arrest with anyone other than a lawyer. If you are concerned about potential upcoming charges, it is important to seek legal advice as soon as possible.
A field CAN is a small handwritten document which sets out the following:
When is a field CAN issued?
A field CAN is issued on the spot by police when a person is charged with a criminal or traffic offence and they are not being arrested and taken to a police station. Field CANs are common for offences such as possess prohibited drug/s, drive with low range PCA and drive whilst suspended/disqualified.
After you receive the field CAN, you should expect to receive the police facts sheet in the mail at a later stage. The police facts sheet details the version of events according to police.
What should I do when I receive a field CAN?
When you receive a field CAN, you should read it carefully and note where and when you are expected to appear at court.
You should then seek legal advice to decide whether to plead guilty or not guilty to the offence/s and to understand the potential consequences of making such a decision. It is best to meet with a lawyer when you have the police facts sheet, a lawyer can request this from the police on your behalf.
You may agree with the alleged conduct, but your lawyer may be able to persuade the prosecution to accept a plea of guilty to a less serious charge. Alternatively, you may accept the charge, but disagree with part or all of what police say happened. In these circumstances, your lawyer may be able to negotiate with the prosecution to amend the fact sheet.
After being arrested, you may be taken to a police station by the arresting police officers in order for them to conduct further investigations. If police do tell you that you are being taken to a police station, it is important that they tell you why they are doing so and which police station they are taking you to. You should not resist this process, as this could eventuate to your detriment, however you are entitled to ask questions in relation to the process.
Your rights as an arrested person are often referred to in NSW as your ‘Part 9 rights.’
A person taken into custody must be told that they are under arrest, the reason for the arrest, and the identity of the arresting officer. Under the Law Enforcement (Powers and Responsibilities) Act 2002 (NSW), important safeguards apply, including the right to remain silent, the right to contact and obtain advice from a lawyer, and the right to a support person in appropriate circumstances. Police may only detain a person for investigation for a limited period — ordinarily up to six hours — unless further authorised.
Cautions + Summaries
Once you have been arrested and have been taken into police custody, and before any investigations formally start, the police officer who is the custody manager must provide the following cautions and summaries to you, both verbally and in writing:
If you do take the offer of contacting someone you know personally, the custody manager is required to provide you with those facilities to do so in a way that you will not be overheard. Also, the custody manager must hold off on continuing the investigations process for a reasonable time (but not more than 2 hours) until you have contacted or attempted to contact that person, and if you have asked them to attend, that they do attend, and you have the opportunity to speak with them.
The only circumstances in which the custody manager may refuse to allow you to speak with a person is if they believe on reasonable grounds that it would lead to fabrication or destruction of evidence, or harm being caused to someone.
If you do wish to have a lawyer present, anything that your lawyer says during the investigation can form part of the evidence.
Interpreters
If the custody manager has reasonable grounds to believe that you require an interpreter, because either you do not have adequate knowledge of the English language in order to communicate fluently, or due to a disability to communicate fluently, they must make arrangements for an interpreter to attend.
The investigation process must be put on hold to allow the interpreter to arrive. If an interpreter is not available to attend, arrangements must be made for a telephone interpreter. The only circumstances which would mean the custody manager is not obligated to arrange an interpreter (in person or by telephone) is if the difficulty is insurmountable, or if the investigation is too urgent.
Medical
If it appears to the custody manager that you require medical attention, or if you request medical attention on reasonable grounds, the custody manager must immediately arrange for you to receive medical attention.
Refreshments and facilities
You are entitled to reasonable:
Custody records
If you are being held in custody, the custody manager is responsible for maintaining a custody record form. There are specific details that must be maintained on a regular basis in your record.
These include:
Once you are released, whether by police or on bail granted by the court, the custody manager must provide you or your lawyer with a copy of your custody records.
Yes, if you have been arrested and placed in lawful custody, a police officer is then entitled to search you. Police have specific powers to search arrested individuals for safety, escape prevention, or to secure evidence. These searches must be conducted by officers of the same sex, as privately as possible, and with respect for dignity. Lawful custody is when the arrest process and being placed in police custody has been done so according to law.
You are not obligated to participate in an interview or answer any questions in response to an allegation. You should seek legal advice about whether this would be an advisable process to take part in.
Often, it is best to exercise your right to silence. It can be tempting to provide your version of events to police in an attempt to set the record straight, so to speak. In fact, it is often best to preserve your version of events until you speak to your lawyer about the matter and they are able to provide you with advice about the best way to look after your interests.
Yes, if you are arrested, police may take your fingerprints or photographs during the arrest and for the purpose of the investigation. They do not have to seek your consent for this process. If you are not arrested, the police cannot obtain your fingerprints or photographs unless a court has granted this order. This is called a ‘Forensic Procedure Application.’
If your fingerprints are taken, and you are ultimately found not guilty for that matter, you are then entitled to apply to the NSW Commissioner of Police to have those prints destroyed. This type of application must be made within 12 months of the fingerprints being taken.
An identification parade involves the police organising various people who are similar in appearance to the suspect being shown to a witness who is alleged to have seen the suspect. The similarity in appearance often relates to height and age and includes other physical traits.
As you may have seen in television shows, an ID parade is stereotypically shown to be a ‘line up’ of similar looking people. In real practice, an identification parade usually occurs by each person in the parade being shown to the witness one-by-one, as this has been proven to be a more reliable method psychologically.
You are not obligated to take part in an identification parade. You should seek legal advice about whether this would be an advisable process to take part in. If participating in an identification parade, you are entitled to have a lawyer present. This process is recorded, and the recording will be available to your lawyer.
If you refuse to participate in an identification parade, the Police may then conduct a ‘photo board’ using images of you. For this reason, it might be actually in your interests in some cases to consent to taking part in an identification parade. If police do not then make reasonable efforts to arrange an identification parade it could lead to a lack of admissible identification evidence at a hearing or trial.
No, you may refuse to consent to a forensic procedure. There are some circumstances where the police may apply to the court to be allowed to carry out a forensic procedure without your consent.
Time limits apply to any type of forensic procedure. The Police have two hours from the end of the ‘investigation period’ (typically 6 hours) to conduct a forensic procedure. This two-hour time limit applies if the arrested person has consented and has presented themselves to police, or if they have not consented but permission has been granted by a court to do so.
An arrested person who consents to a forensic procedure must provide informed consent. This means that you must be informed of the following information:
Because the issue of taking DNA can be sensitive and intrusive, there are strict rules that police must follow in order to establish whether DNA can be obtained from an arrested person.
There are two main types of DNA forensic procedures that police may carry out. Those are:
Intimate
An intimate forensic procedure can only be undertaken on an arrested person suspected of committing an indictable offence. This type of procedure, as the name suggests, can involve the following:
Non-intimate
A non-intimate forensic procedure may be undertaken on an arrested person suspected of committing any offence (summary or indictable). This type of procedure can involve the following:
The time that you spend in custody once you are arrested is called the ‘investigation period.’ This investigation period must be a reasonable time frame, taking into account all of the circumstances.
When the investigating police officers are determining what is a reasonable time frame, they must take into account the following factors:
The maximum time that this can be is 6 hours. This does not mean that all investigation periods should proceed for the total six hours. Often, the matters involved in an investigation can be concluded in a shorter timeframe. This six-hour time period cannot be extended unless a detention warrant is issued.
After arrest and police making relevant enquiries, police may release you without charge. This means you do not have an upcoming court date and you are free to go. However, the police may be undertaking further investigations on a later date and decide to charge you later. This is not uncommon.
If you are released from police custody without being charged, it is best to not discuss the incident for which you were arrested with anyone other than a lawyer. If you are concerned about potential upcoming charges, it is important to seek advice about this.
A future CAN is a formal document that sets out the following:
When is a future CAN issued?
A future CAN is issued by a prosecuting body such as the police, the RMS or a local council when a person or company is charged with a criminal or traffic offence.
You will also be issued with the police facts sheet which details the version of events according to the police.
What should I do when I receive a future CAN?
When you receive a future CAN, you should read it carefully and note where and when you are expected to appear at court.
You should then seek legal advice to decide whether to plead guilty or not guilty to the offence/s and to understand the potential consequences of making such a decision.
It is best to meet with a lawyer when you have the police facts sheet, a lawyer can request this from the police on your behalf.
You may agree with the alleged conduct, but your lawyer may be able to persuade the prosecution to accept a plea of guilty to a less serious charge. Alternatively, you may accept the charge, but disagree with part or all of what police say happened. In these circumstances, your lawyer may be able to negotiate with the prosecution to amend the fact sheet.
If, after attending the police station, you are released on bail, this means that the police have determined you may be released back into the community as long as you follow particular conditions. Signing a bail acknowledgment document at the police station means you agree to those conditions and promise to comply with them. You will be provided with a copy of your bail paperwork upon being released on bail by police.
Bail conditions can vary, depending on the nature of the charge/s and the risks that the police may foreshadow if you are in the community. One of those conditions which is ordinarily imposed is that you must attend court when your matter is next listed. Your Court Attendance Notice (‘CAN’) will include the date and time of your next court date.
Other conditions which may be imposed include that you are to:
If you are bail refused by police, this means you will remain in police custody. Police must bring you before the Local Court “as soon as practicable” (generally within 24 hours) so that, if you want to, you can apply to a Judge to be granted bail. If you haven’t already done so it is advisable to engage a lawyer to assist you with a bail application.

Further advice:
This blog is intended to provide general information about matters that often come before the court and is not legal advice. For legal advice about this offence or any other criminal offence, please reach out to us and speak to one of our lawyers on (02) 9696 1361 (Sydney), (02) 5104 9640 (Canberra) or (08) 6255 6909 (Perth) or by email at [email protected]
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