(1) A person may commit an offence under this Part whether or not any offence capable of being encouraged or assisted by his act is committed.

(2) If a person's act is capable of encouraging or assisting the commission of a number of offences -

(a) section 44 applies separately in relation to each offence that he intends to encourage or assist to be committed; and

(b) section 45 applies separately in relation to each offence that he believes will be encouraged or assisted to be committed.

(3) A person may, in relation to the same act, commit an offence under more than one provision of this Part.

(4) In reckoning whether -

(a) for the purposes of section 45, an act is capable of encouraging or assisting the commission of an offence; or

(b) for the purposes of section 46, an act is capable of encouraging or assisting the commission of one or more of a number of offences;

offences under this Part and listed offences are to be disregarded.

(5) "Listed offence" means -