(1) A person is not
guilty of an offence against this Division if, at the time of the offence, the
person was a child.
(2) Subject to
subsection (3), a person may be guilty of an offence against this
Division involving another person who was a child whether or not the person
knew that the other person was a child.
(3) However, it is a
defence to a charge of an offence against this Division involving another who
was a child if it is proved that the defendant believed on reasonable grounds
that the other person had attained 18 years of age.