10 not exceeding ten thousand dollars or to imprisonment for a period not exceeding two years or to both such fine and such imprisonment. 18 Presumptions regarding HIV infection (1) For the purposes of sections fifteen and sixteen, the presence in a person’s body of HIV antibodies or antigens, detected through an appropriate test, shall be prima facie proof that the person concerned is infected with HIV. (2) For the purposes of sections fifteen and sixteen, if it is proved that a person was infected with HIV within thirty days after committing an offence referred to in those sections, it shall be presumed, unless the contrary is shown, that he was infected with HIV when he committed the offence. 19 Jurisdiction of regional magistrates A court of a regional magistrate shall have jurisdiction to impose the penalty prescribed in section fifteen or sixteen on a person convicted of contravening that section. PART VI GENERAL 20 Act not to limit offences under other laws Nothing in this Act shall be taken as limiting any offence at common law or under any other enactment. 21 Presumption regarding marriage Whenever in any prosecution under this Act the question is in issue whether any sexual intercourse between two persons was extra-marital, the persons shall be deemed not to have been married at the time of such intercourse, unless the contrary is proved. 22 Amendment of presumption that boy under 14 incapable of sexual intercourse (1) The irrebuttable presumption or rule of law that a boy under the age of fourteen years is incapable of sexual intercourse shall not apply in Zimbabwe in relation to boys who have reached the age of twelve years. (2) Subsection (1) shall not affect any presumption or rule of law relating generally to the criminal capacity of children under the age of fourteen years. 23 Consent by young person no defence in certain circumstances (1) For the purposes of this section a “sexual act” means⎯ (a) anal intercourse; (b) engaging in fellatio; (c) engaging in cunnilingus. (2) A young person under the age of twelve years shall be deemed incapable of consenting to sexual intercourse or a sexual act.