Australian Capital Territory Current Acts Australian Capital Territory Current Acts(1) A person who engages in sexual intercourse with another person, being a person who is under the age of 10 years and who is, to the knowledge of the firstmentioned person, his or her lineal descendant, sister, half-sister, brother, half-brother or stepchild, is guilty of an offence punishable, on conviction, by imprisonment for 20 years.
(2) A person who engages in sexual intercourse with another person, being a person who is under the age of 16 years and who is, to the knowledge of the firstmentioned person, his or her lineal descendant, sister, half-sister, brother, half-brother or stepchild, is guilty of an offence punishable, on conviction, by imprisonment for 15 years.
(3) A person who engages in sexual intercourse with another person, being a person who is of or above the age of 16 years and who is, to the knowledge of the firstmentioned person, his or her lineal ancestor, lineal descendant, sister, half-sister, brother or half-brother, is guilty of an offence punishable, on conviction, by imprisonment for 10 years.
(4) A person shall not be convicted of an offence against subsection (2) or (3) if there is evidence that he or she engaged in the act alleged to constitute the offence under the coercion of the person with whom the offence is alleged to have been committed unless the evidence is rebutted by the prosecution.
(5) A person charged with an offence against this section shall, unless there is evidence to the contrary, be presumed to have known at the time of the alleged offence that he or she and the person with whom the offence is alleged to have been committed were related in the way charged.
(6) In this section:
"stepchild", in relation to a person, means a person in relation to whom the firstmentioned person stands in place of a parent .