Guide

Knowledge base: Border Force penalties

Everything a haulier and driver should know about Border Force penalties for a clandestine entrant and an unsecured vehicle - the basics, the amounts, the procedure, the deadlines and the defence.

Penalties

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Procedure

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Prevention

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Frequently asked questions

What is the maximum Border Force penalty?

Up to £10,000 for each clandestine entrant detected and up to £6,000 for an inadequately secured vehicle. Because both the driver and the operator are liable, the combined penalty for a single person can reach £20,000.

How long do I have to appeal a Border Force penalty?

28 days to object to Border Force (form IS11), and then 28 days to appeal to the county court (form N161). Payment is generally due within 60 days.

Will I get a penalty if I didn't know about the passenger?

Yes - liability is strict. The penalty can, however, be reduced or overturned by showing that the vehicle was properly secured and that the required system of checks was in place.

Have a Border Force penalty?

We will prepare the objection, negotiate a reduction in the penalty and help recover your detained vehicle. The first consultation is free.

This information is general and educational in nature and does not constitute legal advice. Correct as of July 2026. For your individual case, please contact the firm. Privacy policy.