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Notice Of Intended Prosecution: What Next?

A notice of intended prosecution is a Section 1 warning that you may be prosecuted for a road traffic offence. It is sent to the registered keeper of a vehicle within 14 days of the alleged offence, or issued verbally by police at the time of detection. Receiving a NIP does not mean you will face prosecution – it is a warning that you may be prosecuted and that an investigation is underway.

Updated: March 2026

What Is a Notice of Intended Prosecution?

A notice of intended prosecution (NIP) is a document issued under Section 1 of the Road Traffic Offenders Act 1988. The notice must be sent to the registered keeper of the vehicle within 14 days of the alleged offence, by first class post to the last known address held by the DVLA. If police warned the driver at the time of the alleged offence – for example at a roadside stop – a postal NIP is not required, as verbal notice satisfies the requirement.

The NIP contains details of the alleged offence including the date, time, location, and vehicle registration. It is accompanied by a Section 172 of the Road Traffic Act 1988 requirement, placing a legal obligation on the person the notice is addressed to, to identify the driver of the vehicle at the time of the offence, by providing information that may lead to the identification of that person. Only the person to whom the notice is addressed should sign the notice and complete the form.

How Should You Respond to a NIP?

You must respond within 28 days. If you were driving the vehicle at the time of the alleged offence, complete the form confirming your name and address. If you were not the driver, nominate the person who was by providing their details. That person will then be sent a new notice. Do not pass the form to the driver to fill in – you must complete it yourself as the registered keeper.

If the driver cannot be identified, do not deliberately leave it blank. A person who fails to provide driver information – or who deliberately refuses to comply – commits a separate offence within Section 172, carrying 6 penalty points on the driving licence and a fine. If you cannot establish who was driving despite reasonable investigation, respond explaining the steps you have taken to investigate. Seek advice from a solicitor before submitting your response.

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Frequently Asked Questions

What Offences Require a Notice of Intended Prosecution?

A NIP applies to road traffic offences listed in Schedule 1 of the Road Traffic Offenders Act 1988, including alleged speeding, careless driving, dangerous driving, driving through a red light, failing to stop or report an accident, and using a mobile phone. Detection may occur through speed cameras, CCTV, or officer patrols. A NIP is not required where the offender was involved in an accident or where a fixed penalty has already been given.

Not all offences are subject to the 14-day time limit for service of a NIP. The requirement varies depending on the nature of the offence and the circumstances of detection. If you are unsure whether the NIP you have received was served within the correct time limit, consult a solicitor who can assess whether it was served out of time.

Does the NIP Have to Arrive Within 14 Days?

The notice of intended prosecution must be posted so that it reaches the registered keeper within 14 days. The prosecution must show it was sent to the last known address via first class post within the time limit – they do not need to prove the person actually received the notice. If the DVLA database holds an outdated address because the keeper failed to update their details, it is still legally served.

However, if the notice is not received within 14 days, the recipient has the right to take the matter to court and rebut the presumption of service. This can amount to a defence to the charge. For example, if a NIP is posted on the 10th day after the alleged offence, it is presumed to have been served on the 12th day. If the recipient did not actually receive the notice until the 15th day, they would need to go to court and challenge service to rely on this defence.

Exceptions apply where police could not reasonably obtain keeper details within 14 days. If you are a nominated driver rather than the registered keeper of a vehicle, the 14-day rule does not apply to subsequent correspondence – only the original notice to the keeper must comply.

What If You Received a NIP for a Company or Lease Vehicle?

If the vehicle belongs to a company, the notice is sent to the registered keeper – the business. The company must nominate the driver of a vehicle at the time of the alleged offence. Businesses should maintain a log of who was driving at all times. If the company cannot comply with the requirement, or fail to provide the requested details, it may face prosecution and a substantial fine. A director may also be personally liable.

For a lease vehicle, the notice goes to the lease company as registered keeper. They will nominate the leaseholder, who then receives their own notice. The 14-day time limit applies only to the original notice sent to the registered keeper.

What Happens After You Respond?

Once the driver has been identified, the proceeding moves forward. The driver may receive a court summons, a fixed penalty (typically a £100 fine and 3 penalty points), or an offer to attend a speed awareness course if eligible. The outcome depends on the severity of the road traffic offence, the driver’s history, and the method of detection.

If you admit to driving, this does not mean you are admitting guilt to the alleged offence. You are providing driver information only. You will have the opportunity to enter a plea at a later stage if the matter proceeds to court.

Can a Notice of Intended Prosecution Be Challenged?

A defence may apply if the notice was not served within the time limit. If the registered keeper can prove it was not received within 14 days and the prosecution cannot show it was posted in time, this may invalidate the case. Minor errors on the notice do not automatically render it ineffective unless they would deliberately mislead the person it is addressed to.

If you have received a letter containing a NIP and believe it was late or contains errors, we recommend seeking advice before you respond. A solicitor can review whether a defence exists and advise on the best approach.

Need Advice on a NIP?

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Why Instruct a Solicitor?

Many motorists accept a NIP without question, unaware that a defence or procedural error may apply. A specialist road traffic offence solicitor will check whether the prosecution complied with the time limit, review the evidence supporting the alleged offence, and identify whether the driver may have grounds to challenge. If the matter proceeds to court, we provide representation to achieve the best outcome – whether that means having charges dismissed, reducing a conviction, or presenting mitigation to minimise penalties.

Speak to a Specialist Motoring Solicitor

We provide free consultations for motorists who have received a notice of intended prosecution. Our road traffic offence solicitors can review your NIP, advise on your options, and represent you at court if required. Fixed-fee representation across England and Wales.

Call 0333 443 2366

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I am a criminal lawyer with over 25 years of experience and specialising in the defence of Road Traffic (driving) prosecutions and the founder and Senior Partner of Caddick Davies Solicitors.
Neil Davies
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