(1) A person commits an offence if—
(a) he intentionally causes or incites another person (B) to engage in an activity,
(b) the activity is sexual, and
(c) B is under 13.
(2) A person guilty of an offence under this section, if the activity caused or incited involved—
(a) penetration of B’s anus or vagina,
(b) penetration of B’s mouth with a person’s penis,
(c) penetration of a person’s anus or vagina with a part of B’s body or by B with anything else, or
(d) penetration of a person’s mouth with B’s penis,
is liable, on conviction on indictment, to imprisonment for life.
(3) Unless subsection (2) applies, a person guilty of an offence under this section is liable—
(a) on summary conviction, to imprisonment for a term not exceeding 6 months or to a fine not exceeding the statutory maximum or both;
(b) on conviction on indictment, to imprisonment for a term not exceeding 14 years.