You are driving back from the Dordogne to the Channel Tunnel, the cruise control set a fraction above the limit on a downhill stretch of the A10, and a white flash goes off on the gantry. Or you spend a weekend in the Loire in your daughter’s car, think no more about it, and six weeks later a letter from Rennes arrives at your Kent address with your number plate printed on it. Every year, thousands of British drivers get their first lesson in French road enforcement this way: not from a police officer at the roadside, but from an envelope. France operates one of the densest networks of automated speed cameras in Europe, and since Brexit the letters still find British keepers, British hirers and British borrowers with remarkable reliability. The question that follows is always the same, and it is always urgent: the notice gives you 45 days, the fine grows sharply if you miss them, paying the fine means admitting the offence, and admitting the offence can remove points from a French licence. This guide explains, for a British reader, how to read the French penalty notice, what each amount on it really costs, who pays when the car was hired or is still on British plates, whether points are at stake on a United Kingdom licence, and how to pay safely or challenge properly, with the exact legal texts and the latest court decisions to back every step. Part I reads the paper and prices it. Part II sets out the procedure that works, whether you pay or you fight.

I. You were flashed in France: what the notice means and what it costs

A French speeding case usually starts with one of two documents. Either a police officer stops you, shows the reading and hands you a notice on the spot, or a camera records your plate and the central processing centre sends an avis de contravention, a penalty notice, to the address attached to the vehicle. The British government’s own travel advice notes that police issue on-the-spot fines for driving offences, including speeding, and confirms that visitors may drive in France on a United Kingdom photocard licence (United Kingdom travel advice for France). So being a British licence holder stopped in France is entirely lawful, and the fine that follows is entirely real. Everything below applies whether you were stopped or flashed, but the deadlines and the challenge routes differ, which is why reading the paper correctly is the first skill to learn.

A. How do you read a French speeding notice and which fine applies?

The core speeding provision for ordinary cases is article R413-14 of the Highway Code, and its first paragraph draws the boundary of the whole fixed-fine system: “Le fait, pour tout conducteur d’un véhicule à moteur, de dépasser de moins de 50 km/h la vitesse maximale autorisée fixée par le présent code ou édictée par l’autorité investie du pouvoir de police est puni de l’amende prévue pour les contraventions de la quatrième classe.” In plain English, exceeding the limit by less than 50 km/h is punished with the fourth-class fine. The same article carves out the small excess: “lorsque le dépassement est inférieur à 20 km/h et que la vitesse maximale autorisée est supérieure à 50 km/h, l’amende encourue est celle prévue pour les contraventions de la troisième classe.” So a modest excess on a fast road, below 20 km/h over a limit above 50 km/h, drops to the third-class fine. Anything at 50 km/h or more over the limit falls outside this article altogether and follows a different, court-based track with far heavier consequences, which is why the exact measured excess on your notice matters so much.

The notice states the measured speed, the retained speed after the technical margin is deducted, and the class of the contravention. The amounts attached to those classes are published by the public service portal service-public.fr: a third-class fixed fine is 68 euros, and a fourth-class fixed fine is 135 euros. Those are the headline figures, but they are only the middle of three possible prices. If you pay at once to the officer who stopped you, or within 15 days of the notice, or within 30 days when you pay online by card, the fine is reduced, minorée: 45 euros instead of 68 for a third-class case, 90 euros instead of 135 for a fourth-class case. If you do nothing, the code is blunt. Article 529-2 of the Code of Criminal Procedure provides that “le contrevenant doit s’acquitter du montant de l’amende forfaitaire, à moins qu’il ne formule dans le même délai une requête tendant à son exonération auprès du service indiqué dans l’avis de contravention.” And it continues: “A défaut de paiement ou d’une requête présentée dans le délai de quarante-cinq jours, l’amende forfaitaire est majorée de plein droit et recouvrée au profit du Trésor public en vertu d’un titre rendu exécutoire par le ministère public.” After 45 days, or 60 days for online card payment of the notice, the fine is increased automatically and recovered for the Treasury under an enforcement order signed by the public prosecutor. The increased, majorée, amounts are 180 euros for a third-class case and 375 euros for a fourth-class case. There is one soft landing: the increased fine benefits from a 20 per cent reduction if you pay within 30 days of the date the increased notice is sent, extended to 45 days for online card payment.

Three consequences follow from paying that every British driver should understand before reaching for a card. First, payment closes the criminal case. Article 529 of the Code of Criminal Procedure states that for the listed contraventions “l’action publique est éteinte par le paiement d’une amende forfaitaire qui est exclusive de l’application des règles de la récidive.” The prosecution is extinguished by payment of the fixed fine. Second, payment counts as admission. The public service portal warns that payment of the fine means you recognise the offence, and once you have paid you can no longer challenge the contravention. If the offence carries a points withdrawal, the points are then removed from your driving licence. Third, payment is what establishes the offence for points purposes even without a court. Article L223-1 of the Highway Code provides that “Le permis de conduire est affecté d’un nombre de points.” and, crucially, that “La réalité d’une infraction entraînant retrait de points est établie par le paiement d’une amende forfaitaire ou l’émission du titre exécutoire de l’amende forfaitaire majorée, l’exécution d’une composition pénale ou par une condamnation définitive.” Paying the fixed fine, or letting the increased fine become an enforcement order, establishes the reality of the offence just as a final conviction would. That is the mechanism by which a quiet online payment from your sofa in Bromley can empty points off a French licence you may hold, which leads directly to the next question: whose licence, and whose wallet, is actually on the line.

B. Will France take points off your licence, and what if the car was hired or still on British plates?

Points are the part of the French system that most surprises British drivers, because the two countries organise licences differently. France runs a points-based licence, a permis à points: every licence carries a capital of points, and each offence withdraws some. The scale for speeding sits inside article R413-14 of the Highway Code itself: one point withdrawn for an excess between 5 and below 20 km/h, two points for an excess between 20 and below 30 km/h, three points for an excess between 30 and below 40 km/h, and four points for an excess between 40 and below 50 km/h. The article states the top band in these terms (article R413-14 of the Highway Code): “En cas de dépassement de la vitesse maximale autorisée compris entre 40 km/h et moins de 50 km/h, réduction de quatre points”. Below 5 km/h of excess, the fine is due but no point is withdrawn. These withdrawals apply to holders of a French licence. If you visit France on a United Kingdom photocard licence, France has no French points reservoir to debit, so no points come off your British licence, but the fine itself remains fully due and must be dealt with inside the same deadlines. The trap for Britons who later settle in France is the one quoted above from article L223-1: paying the fixed fine establishes the reality of the offence, and if you go on to exchange a British licence for a French licence in France, later offences will bite into a points capital you may already have reduced without realising. A paid French speeding ticket therefore follows you in a way a British fixed penalty does not, and organising your response with that in mind is the difference between a closed incident and a slow-burning licence problem.

The second surprise concerns whose name is on the paper. French law starts from the driver. Article L121-1 of the Highway Code states: “Le conducteur d’un véhicule est responsable pénalement des infractions commises par lui dans la conduite dudit véhicule.” The driver of a vehicle is criminally liable for the offences committed by that driver. But a camera photographs a plate, not a face, and the registered keeper may not have been driving. For automated offences the law therefore derogates from driver liability and creates a financial liability for the keeper. Article L121-3 of the Highway Code provides that “le titulaire du certificat d’immatriculation du véhicule est redevable pécuniairement de l’amende encourue pour des infractions dont la liste est fixée par décret en Conseil d’Etat, à moins qu’il n’établisse l’existence d’un vol ou de tout autre événement de force majeure ou qu’il n’apporte tous éléments permettant d’établir qu’il n’est pas l’auteur véritable de l’infraction.” The holder of the registration certificate, the carte grise, is financially liable for the fine for listed offences unless the vehicle was stolen, unless force majeure intervened, or unless the keeper supplies material showing that someone else was the true offender. The same article draws the vital distinction between paying and being guilty: “La personne déclarée redevable en application des dispositions du présent article n’est pas responsable pénalement de l’infraction.” The person declared financially liable is not criminally liable. And when a court applies this keeper liability, “sa décision ne donne pas lieu à inscription au casier judiciaire, ne peut être prise en compte pour la récidive et n’entraîne pas retrait des points affectés au permis de conduire.” No entry on the criminal record, no account taken for repeat offending, and no withdrawal of licence points. For a parent whose student son was flashed in the family car, or a couple sharing one French-registered vehicle, that distinction is worth real money and real peace of mind: staying silent as keeper costs the fine but protects the licence and the record, while naming the true driver moves both the fine and the points onto that driver.

Hired cars and British plates add two practical twists that British visitors meet constantly. When the vehicle was hired, the financial liability falls on the hirer on the same terms: the keeper-liability article provides that where the vehicle was rented to a third party, the liability lies with the tenant of the vehicle, and hire companies routinely pass the hirer’s details to the processing centre and add their own administration fee to the hirer’s card under the rental agreement. So the letter may reach you in Britain via the hire company weeks after you returned the keys, with the 45-day clock already running. When the car is your own British-registered vehicle, the notice is sent to the address available to the authorities, which for a visitor is usually the address given to the hire desk, the ferry booking or the officer at a roadside stop, and for a French resident driving a British-plated car it is the address the administration holds. The Court of Cassation polices the boundary between keeper liability and driver guilt strictly, and a very recent decision, given on 18 November 2025, is the perfect illustration. In Cass. crim., 18 Nov. 2025, No 25-83.480, a hire-car driver challenged a conviction for driving the wrong way down a one-way street recorded by an automatic device. The criminal chamber recalled that where there was no immediate ticketing of the offender, “la valeur probante du procès-verbal constatant l’infraction est limitée, en l’absence de verbalisation immédiate du contrevenant, à la caractérisation du comportement incriminé et à l’identification du véhicule en cause, l’identité du conducteur de ce dernier au moment des faits demeurant dès lors incertaine”. The evidential value of an automatic report, without the driver being stopped, is limited to proving what happened and which vehicle was involved; the identity of the driver remains uncertain. The court therefore quashed the conviction and held that the lower court should have considered declaring the defendant “éventuellement redevable pécuniairement de l’amende encourue”, merely financially liable for the fine. The lesson for a flashed British driver is symmetrical and reassuring: an automatic report proves that a vehicle of a certain plate committed an excess, not that you personally drove it, and the system is built to let the keeper either pay as keeper or name the true driver, rather than convicting the wrong person as driver.

II. Pay or fight: the procedure that actually works

Once you understand what the paper says and what it costs, the decision is binary and time-limited: pay within the useful period, or challenge through the correct door before it closes. There is no third option of waiting to see what happens, because waiting is itself a decision, and it is the most expensive one. The increased fine arrives automatically, the enforcement order follows, and each later remedy is narrower, costlier and hedged with admissibility conditions. The two routes below set out, first, how to pay safely so the matter ends cleanly, and second, how to challenge so the challenge is actually examined rather than rejected unread.

A. How do you pay in time and stop the fine from growing?

Paying looks simple, and the administration has made it genuinely easy, including from abroad: the notice carries a reference number and online card payment extends several of the deadlines. The fixed fine must be paid or formally challenged within 45 days of the notice, and that period becomes 60 days for online card payment of the notice. The reduced price rewards speed: pay at once to the officer, within 15 days, or within 30 days online by card, and the third-class fine falls from 68 to 45 euros while the fourth-class fine falls from 135 to 90 euros. Miss the useful period and the increase is automatic, as article 529-2 quoted above provides, with the increased notice then offering its own mitigation: pay within 30 days of its sending, 45 days online by card, and the increased amount is cut by 20 per cent. For a British driver who discovers the original notice late, because it was sent to a previous French address or sat in a pile of post during a return to the United Kingdom, that 20 per cent mitigation is often the best remaining outcome, and it should be taken rather than ignored in the hope the file will close itself. It will not. The enforcement order is executed under the same rules as police-court judgments, and recovery can follow you through European cooperation channels and through any later contact with the French administration, from vehicle registration to licence exchange.

Two payment subtleties catch British drivers out, and both are worth stating precisely. The first concerns the deposit, the consignation, which the challenge procedure may require. A deposit of the amount of the fixed fine, or of the increased fine at the later stage, is sometimes a condition for your challenge to be admissible, as Part II.B explains. But article 529-10 of the Code of Criminal Procedure is explicit that “cette consignation n’est pas assimilable au paiement de l’amende forfaitaire et ne donne pas lieu au retrait des points du permis de conduire prévu par le quatrième alinéa de l’article L. 223-1 du code de la route.” The deposit is not equivalent to paying the fixed fine, and it does not trigger the withdrawal of licence points. That is exactly why the deposit exists: it guarantees payment if you lose, while preserving your right to argue and protecting your points in the meantime. Never confuse the two operations on the payment website, and never assume that sending money automatically means you have admitted the offence. Only a payment entered as payment of the fixed fine has that effect.

The second subtlety is the address on the registration certificate. Article 530 of the Code of Criminal Procedure closes its three-month rule for road contraventions with a humane exception: where the offender proves that a change of address was declared to the registration service before the period expired, “le contrevenant n’est redevable que d’une somme égale au montant de l’amende forfaitaire s’il s’en acquitte dans un délai de quarante-cinq jours, ce qui a pour effet d’annuler le titre exécutoire pour le montant de la majoration.” A driver who declared the move in good time owes only the fixed-fine amount if it is paid within 45 days, which cancels the enforcement order for the amount of the increase. For British residents in France who move between departments, or between France and Britain, keeping the registration address current is therefore not an administrative nicety but a direct financial shield. The same discipline applies in Paris and the inner suburbs, where many British families live and where automated checks on the Boulevard Périphérique, the A86 and the approaches to the capital generate a steady flow of notices: an offence committed in Paris that ends up contested will be heard by the Paris police court, and every deadline in the file will be computed from notices sent to the address the administration holds. Pay online, keep the payment confirmation with the notice reference, keep proof of any change of address, and diary the 45-day date on the day the notice arrives rather than the day you get round to it. Those four habits close most files at the lowest lawful price.

B. How do you challenge the notice, the increased fine, or the points?

Challenging is a two-door system, and choosing the wrong door is the commonest reason British drivers lose before their arguments are even read. The first door is the application for exemption, the requête en exonération, available within the 45-day life of the fixed fine: article 529-2 of the Code of Criminal Procedure requires you to use it “auprès du service indiqué dans l’avis de contravention”, through the department shown on the notice, and it is forwarded to the public prosecutor. The second door is the reasoned complaint, the réclamation motivée, against the increased fine, and article 530 of the Code of Criminal Procedure gives its mechanics: “Dans les trente jours de l’envoi de l’avis invitant le contrevenant à payer l’amende forfaitaire majorée, l’intéressé peut former auprès du ministère public une réclamation motivée qui a pour effet d’annuler le titre exécutoire en ce qui concerne l’amende contestée.” Within 30 days of the sending of the increased-fine notice, you may lodge a reasoned complaint with the public prosecutor which cancels the enforcement order for the contested fine. For road contraventions, however, the same article adds a guillotine: “S’il s’agit d’une contravention au code de la route, la réclamation n’est toutefois plus recevable à l’issue d’un délai de trois mois lorsque l’avis d’amende forfaitaire majorée est envoyé par lettre recommandée à l’adresse figurant sur le certificat d’immatriculation du véhicule”. Three months after a registered letter to the registration address, the complaint is inadmissible, subject only to the declared-change-of-address exception described above. A constitutional challenge to that guillotine was brought by a motorist who argued that barring complaints after three months, even where the person never received the notice, breached the right to an effective remedy. In Cass. crim., 23 July 2025, No 25-90.015, the criminal chamber declined to refer the priority question of constitutionality to the Constitutional Council, ruling that there was no need to refer, so the three-month rule stands as written. The practical moral is stark and very British in its understatement: never assume that not receiving the letter protects you. Diary the date, challenge in time, and keep proof of posting, because lateness is fatal even with a sympathetic story.

For automated offences under keeper liability, admissibility has an additional layer that rejects most careless challenges. Article 529-10 requires the exemption application or the complaint to be sent by registered letter with acknowledgment of receipt, using the form attached to the notice, and accompanied by one of two things: either a supporting document or a prior deposit. The supporting documents are listed restrictively in article 529-10 of the Code of Criminal Procedure, and the most useful for British drivers is the signed letter “précisant l’identité, l’adresse, ainsi que la référence du permis de conduire de la personne qui était présumée conduire le véhicule lorsque la contravention a été constatée”, identifying the presumed driver with address and licence reference. The alternatives are the receipt for a complaint of theft, number-plate usurpation or vehicle destruction, the copies of the vehicle transfer declaration with its registration acknowledgment, or proof of an activated automated driving delegation system. Failing that, the same article requires the challenge to include “un document démontrant qu’il a été acquitté une consignation préalable d’un montant égal à celui de l’amende forfaitaire dans le cas prévu par le premier alinéa de l’article 529-2, ou à celui de l’amende forfaitaire majorée dans le cas prévu par le deuxième alinéa de l’article 530”. The deposit equals the fixed fine at the first stage or the increased fine at the second. The same article entrusts the admissibility check to the prosecutor’s officer: “L’officier du ministère public vérifie si les conditions de recevabilité de la requête ou de la réclamation prévues par le présent article sont remplies.” An unsigned letter, an ordinary email instead of the required registered form, a designation without the driver’s licence reference, or a complaint without either a listed document or the deposit, is rejected without any examination of the merits. The article adds that applications and complaints may also be sent electronically under procedures set by order, and the online challenge portal now makes that route the most reliable for a driver writing from Britain, provided the deposit is paid through the same channel where one is required.

What arguments actually succeed once the challenge is admitted depends on the type of control. Against a roadside interception, the officer’s report carries strong evidential weight and the realistic defences are mistaken identity of the driver, a signage or limit defect at the location, or a procedural flaw in the paperwork, each proved in writing or by witnesses. Against an automated flash, the calibration argument that most drivers reach for first is far weaker than it looks. In Cass. crim., 11 Feb. 2025, No 24-84.433, a driver convicted of speeding argued that the speed camera’s type approval had expired and that the file should have contained the device’s full metrology record to prove the initial verification predated expiry. The Court of Appeal had held that “le bon fonctionnement du cinémomètre est suffisamment établi par les mentions du procès-verbal, dont résultent son homologation et sa vérification un peu plus de six mois avant les faits.” The Court of Cassation approved that reasoning in full: “l’homologation du cinémomètre et la date de la dernière vérification suffisent à établir son bon fonctionnement”. Type approval plus the date of the last verification is enough to establish that the device worked properly, and the court does not have to join the metrology log or answer detailed technical speculation. For a British challenger, the message is that a bare assertion that the radar must have been wrong goes nowhere. A challenge needs concrete material: proof that the plate was misread, that another vehicle is the true offender, that the limit signage at the place and time differed from what the notice assumes, or that you were verifiably elsewhere. And where the report was drawn up automatically without you being stopped, the 18 November 2025 decision quoted in Part I gives you the complementary shield: the report proves the vehicle’s behaviour, not the driver’s identity, so a keeper who genuinely was not driving should use the designation or deposit route rather than accepting a driver’s conviction by default.

If the prosecutor maintains the case, it goes before the police court, the tribunal de police, for Paris offences the Paris police court, where the report stands until contrary proof. The formula applied, recalled in Cass. crim., 18 Nov. 2025, No 25-83.480, is that the report stands until proof to the contrary, which “ne peut être rapportée que par écrit ou par témoins”, by documents or by witnesses. That is a demanding but navigable standard: ferry bookings and tunnel tickets showing another crossing time, telematics or employer records placing the car elsewhere, a hire agreement showing who held the vehicle, or a witness who was driving and says so in proper form. Possible outcomes range across the full spectrum. The court may acquit on the offence, in which case fine, points and record all fall away. It may hold the keeper merely financially liable under article L121-3, in which case the fine is paid with no points, no record entry and no repeat-offending consequence. Or it may convict as driver, in which case the fine is set within the class maximum, the points come off under article L223-1 from the moment the decision is final, and complementary penalties such as a licence suspension of up to three years may be added for excesses of 30 km/h or more, as article R413-14 itself warns. The worst outcome to avoid is the default one: ignoring the file until the increased fine becomes an enforcement order, because as article L223-1 quoted in Part I provides, the issue of that order alone establishes the offence for points purposes. A driver who does nothing loses the fine and the points together, without ever having argued.

Conclusion

A French flash is not a parking ticket you can file and forget. It is a 45-day procedure with three prices, 68 or 135 euros at the fixed stage, 45 or 90 euros if you pay at once, 180 or 375 euros if you let it increase, and a points mechanism that debits a French licence from the moment you pay or the increased order issues. Read the notice for the retained speed and the class, decide within days whether you pay or you challenge, and never let the file drift into the increased stage by inertia. If someone else was driving your car, name that person properly with licence reference or use the deposit route rather than absorbing a driver’s conviction you do not deserve. If the device or the paperwork is genuinely questionable, challenge through the correct door, by registered letter with the form or through the electronic channel, with the listed document or the deposit attached, and with concrete proof rather than technical speculation, remembering that type approval plus a recent verification is enough for the courts and that three months after the registered increased notice the door closes. Keep every reference, every proof of payment and every proof of posting, keep your registration address current, and treat the deadlines as the substance of the case rather than its wrapping. Handled that way, most British speeding files in France close at the lowest lawful price, with the licence intact and nothing following you back across the Channel.