Pay within 20 days: half off.
Pay on the spot: same discount, that changes nothing.
But: paying means giving up your right to appeal.
Don't pay and don't live in Spain: your truck gets immobilised wherever the officer indicates.
Half off within twenty days
After a fine, you have twenty calendar days to pay voluntarily with a discount, or to appeal. Choose to pay, and the law says:
Una vez realizado el pago voluntario de la multa, ya sea en el acto de entrega de la denuncia o dentro del plazo de veinte días naturales contados desde el día siguiente al de su notificación, concluirá el procedimiento sancionador con las siguientes consecuencias: a) La reducción del 50 por ciento del importe de la sanción.
Ley sobre Tráfico, Article 94. Accessed 26 August 2026.
Note the first part: ya sea en el acto de entrega de la denuncia, whether at the moment the fine is handed over. So the discount also applies if you settle on the spot immediately. You don't have to wait to get it.
Twenty calendar days, not working days, starting the day after notification.
What you give up for it
The same provision continues, and that part is often skipped:
| b) | You give up the right to appeal. If you file one anyway, it's treated as not submitted. |
| c) | The procedure ends on the day of payment, with no further decision issued. |
| d) | The administrative route is exhausted. What remains is only the administrative court. |
Ley sobre Tráfico, Article 94, points (b) to (d).
That's the real choice. Paying is half the price, but it's also the immediate end of the discussion. If you think the fine is wrong, those twenty days are also your window to say so, and then without the discount.
Don't live in Spain, and it works differently
Cuando el infractor no acredite su residencia legal en territorio español, el agente denunciante fijará provisionalmente la cuantía de la multa y, de no depositarse su importe, el conductor deberá trasladar el vehículo e inmovilizarlo en el lugar indicado por el agente denunciante.
Ley sobre Tráfico, Article 87(5).
If you can't show legal residence in Spain, the officer provisionally sets the amount on the spot. Don't lodge it, and you have to move your vehicle and immobilise it wherever the officer indicates. Payment can be made by credit card or cash in euros.
And then comes the sentence worth knowing: for that amount, the possibility of the 50 percent discount under Article 94 expressly still applies. Settling on the spot in Spain doesn't mean you're stuck with the full amount.
When the discount doesn't exist
The abbreviated procedure, and with it the discount, doesn't apply to a specific set of offences classed as very serious under Article 77 (ten in total, letters h through t). Two of those touch professional transport directly.
| Damage to the road or disruption to traffic due to the mass or dimensions of the vehicle, without the required permit or outside its conditions | no discount |
| The owner or lessee who refuses to truthfully identify the responsible driver when duly asked to do so | no discount |
Ley sobre Tráfico, Article 93(2), which excludes Article 77, points (h), (j), (n), (ñ), (o), (p), (q), (r), (s) and (t) from the abbreviated procedure. The two shown here are points (r) and (j).
The first is the one that matters most for anyone driving abnormal or oversized loads: operate outside your permit and cause damage or an obstruction because of it, and there's no abbreviated route and no halving.
The same list also includes, among other things, driving with or installing radar jammers.
Also read
Sources
- Real Decreto Legislativo 6/2015, Ley sobre Tráfico, Circulación de Vehículos a Motor y Seguridad Vial, Article 87(5) (fine where legal residence is missing), Article 93 (types of procedure and the twenty-calendar-day period), Article 94 (abbreviated procedure and the consequences of paying), and Article 77, points (j) and (r). BOE
Quoted verbatim from the consolidated text on the Boletín Oficial del Estado, accessed 26 August 2026. The Spanish text is quoted verbatim, the explanation is translated. This page describes the procedure; which amount applies to a specific offence is set out elsewhere in the same law.
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