http://www.legislation.gov.uk/id/asp/2001/13

Part 1Offences

Supplementary provisions

7Meaning of “ancillary offence”

References in this Part of this Act to an ancillary offence are to—

(a)

being art and part in the commission of an offence;

(b)

inciting a person to commit an offence;

(c)

attempting or conspiring to commit an offence;

(d)

perverting, or attempting to pervert, the course of justice in connection with an offence; or

(e)

defeating, or attempting to defeat, the ends of justice in connection with an offence.