Section 9: Possession of a psychoactive substance in a custodial institution
This section provides for an offence of possession of a psychoactive substance in a custodial institution. It applies to anybody on such a premises, including prisoners, visitors, and staff.
	The conduct element of the offence is satisfied if the defendant possesses a psychoactive substance in a custodial institution. There are two mental elements: first, the defendant must know or suspect that the substance is psychoactive; second, the defendant must intend to consume that substance for its psychoactive effects.
	"Custodial institution" is defined in the same way as in section 6(10).
	This offence does not apply when the possession inside a custodial institution is covered by an exemption provided for in Schedule 2 or in regulations made under section 11(5).