A person shall not by virtue of section 1 above be guilty of conspiracy to commit any offence if he is an intended victim of that offence.
A person shall not by virtue of section 1 above be guilty of conspiracy to commit any offence or offences if the only other person or persons with whom he agrees are (both initially and at all times during the currency of the agreement) persons of any one or more of the following descriptions, that is to say—
(a) his spouse or civil partner ;
(b) a person under the age of criminal responsibility; and
(c) an intended victim of that offence or of each of those offences.
A person is under the age of criminal responsibility for the purposes of subsection (2)(b) above so long as it is conclusively presumed, by virtue of section 50 of the Children and Young Persons Act 1933, that he cannot be guilty of any offence.