“(2) A person who, being an adult, maintains a sexual relationship with a young person is guilty of an offence.

“(3) For the purposes of subsection (2), an adult shall be taken to have maintained a sexual relationship with a young person if the adult has engaged in a sexual act in relation to the young person on 3 or more occasions.

“(4) In proceedings for an offence under subsection (2), evidence of a sexual act is not inadmissible by reason only that it does not disclose the date or the exact circumstances in which the act occurred.

“(5) Subject to subsection (6), a person who is convicted of an offence under subsection (2) is liable to imprisonment for 7 years.

“(6) If a person convicted under subsection (2) is found, during the course of the relationship, to have committed another offence under this Part in relation to the young person (whether or not the person has been convicted of that offence), the offence under subsection (2) is punishable by imprisonment—

        (a)     if the other offence is punishable by imprisonment for less than 14 years—for 14 years; or

        (b)     if the other offence is punishable by imprisonment for a period of 14 years or more—for life.

“(7) Subject to subsection (8), a person may be charged in 1 indictment with an offence under subsection (2) and with another offence under this Part alleged to have been committed by the person during the course of the alleged relationship and may be convicted of and punished for any or all of the offences so charged.

“(8) Notwithstanding subsection 443 (3), where a person convicted of an offence under subsection (2) is sentenced to a term of imprisonment for that offence and a term of imprisonment for another offence under this Part committed during the course of the relationship, the court shall not direct that those sentences be cumulative.

“(9) A prosecution for an offence under subsection (2) shall not be commenced except by, or with the consent of, the Director of Public Prosecutions.”.