The Sexual Offences (Northern Ireland) Order 2008

Articles 9 and : relevant acts

11.  In relation to an offence to which Articles 9 and apply, references in those Articles to the relevant act and to the complainant are to be read as follows—

Offence	Relevant Act
An offence under Article (rape)	The defendant intentionally penetrating, with his penis, the vagina, anus or mouth of another person (“the complainant”).
An offence under Article 6 (assault by penetration)	The defendant intentionally penetrating, with a part of his body or anything else, the vagina or anus of another person (“the complainant”), where the penetration is sexual.
An offence under Article 7 (sexual assault)	The defendant intentionally touching another person (“the complainant”), where the touching is sexual.
An offence under Article 8 (causing a person to engage in sexual activity without consent)	The defendant intentionally causing another person (“the complainant”) to engage in an activity, where the activity is sexual.