Criminal Law (Rape) (Amendment) Act, 1990
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 Rape under section 4 .  |   
 4.—(1) In this Act “rape under section 4 ” means a sexual assault that includes—  | |
(a) penetration (however slight) of the anus or mouth by the penis, or  | ||
(b) penetration (however slight) of the vagina by any object held or manipulated by another person.  | ||
(2) A person guilty of rape under section 4 shall be liable on conviction on indictment to imprisonment for life.  | ||
(3) Rape under section 4 shall be a felony.  |