(1)If a person (“A”), with A’s penis—
(a)without another person (“B”) consenting, and
(b)without any reasonable belief that B consents,
penetrates to any extent, either intending to do so or reckless as to whether there is penetration, the vagina, anus or mouth of B then A commits an offence, to be known as the offence of rape.
(2)For the purposes of this section, penetration is a continuing act from entry until withdrawal of the penis; but this subsection is subject to subsection (3).
(3)In a case where penetration is initially consented to but at some point of time the consent is withdrawn, subsection (2) is to be construed as if the reference in it to a continuing act from entry were a reference to a continuing act from that point of time.
(4)In this Act—
“penis” includes a surgically constructed penis if it forms part of A, having been created in the course of surgical treatment, and
“vagina” includes—
the vulva, and
a surgically constructed vagina (together with any surgically constructed vulva), if it forms part of B, having been created in the course of such treatment.