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Section 9, Criminal Attempts Act 1981

Vehicle interference

The statutory wording, points to prove, defences and penalty — verified against legislation.gov.uk (current revised versions, October 2026).

What the law says

Section 9(1) — vehicle interference
A person commits vehicle interference if they interfere with a motor vehicle or trailer, or anything carried in or on a motor vehicle or trailer, intending that they or another person will commit an offence specified in Section 9(2).
Section 9(2) — intended offence
The intended offence must be:
(a) theft of the motor vehicle or trailer, or part of it;
(b) theft of anything carried in or on it; or
(c) taking a conveyance without authority under Section 12(1) of the Theft Act 1968.
If at least one is proved, it is immaterial that the prosecution cannot show which one was intended.
Section 1(1), Theft Act 1968 — theft
A person commits theft if they dishonestly appropriate property belonging to another with the intention of permanently depriving the other of it.
Section 12(1), Theft Act 1968 — taking without authority
Subject to Sections 12(5) and 12(6), a person commits the offence if, without the owner's consent or other lawful authority, they take a conveyance for their own or another's use or, knowing it was taken without authority, drive it or allow themselves to be carried in or on it.
Section 9(5) — meanings
Motor vehicle means a mechanically propelled vehicle intended or adapted for use on roads. Trailer means a vehicle drawn by a motor vehicle.
Section 9(3) — penalty
Summary only. The court maximum is three months' imprisonment, a level 4 fine (£2,500), or both.

CJS codes
Official CJS offence index (June 2026)
CA81001Vehicle interference - motor vehicle
CA81002Vehicle interference - trailer

Points to prove

  • 1. The defendant interfered with a motor vehicle or trailer, or with something carried in or on it.
  • 2. The defendant intended that they or another person would commit at least one offence specified in Section 9(2).
  • 3. The intended offence was theft of the vehicle, trailer, part or carried property, or taking a conveyance without authority under Section 12(1) of the Theft Act 1968.
  • 4. The prosecution need not prove which qualifying offence was intended if it proves that at least one of them was intended.

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Mode of trial & maximum penalty

Summary only — Court maximum
Summary: three months' imprisonment, a level 4 fine (£2,500), or both.
Out-of-court disposal
Not a fixed penalty offence.

Sources

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