(b) he finds the travel document in the possession of a person other than the person to whom it was issued, unless that person has some lawful excuse for possessing the travel document; or (c) the travel document has been mutilated in any way; or (d) an amendment, endorsement or addition has been made to or inserted in the travel document by any person other than an official duly authorized to do so; and, if he does so, shall, unless he returns it to the lawful holder thereof, transmit the travel document to the authority which issued it or on behalf of which it was issued. PART VI ALIENS 29 Additional restrictions on immigration of aliens (1) Subject to this section and without derogation from section thirteen, an alien shall not enter, be or remain in Zimbabwe unless he is in possession of— (a) a permit permitting him to enter, be or remain in Zimbabwe, as the case may be; or (b) a visitors entry certificate in terms of section thirty-one permitting him to enter, be or remain in Zimbabwe, as the case may be, and, except where a visa is dispensed with in pursuance of an arrangement to which Zimbabwe is a party, a visa or endorsement of a person authorized by the Government to place visas or such endorsement upon travel documents or other documents. (2) Subsection (1) shall not apply to an alien who— (a) has his domicile in Zimbabwe; or (b) enters Zimbabwe as a bona fide member of a crew of an aircraft used as public transport or of a train; or (c) is a bona fide scholar under the age of eighteen years who has been authorized by the Minister to attend an educational institution in Zimbabwe, other than the University of Zimbabwe or any other prescribed educational institution; or (d) is such a person as is described in paragraph (e) or (f) of subsection (2) of section fifteen; or (e) is exempted by the Minister in terms of section thirty from subsection (1), but only for the period of the exemption; or (f) is lawfully within Zimbabwe in terms of the Refugees Act [Chapter 4:03]. (2a) Any person who contravenes subsection (1) shall be guilty of an offence and liable to a fine not exceeding level five or to imprisonment for a period not exceeding six months or to both such fine and such imprisonment. [Subsection as amended by Act 22 of 2001.] (3) In any prosecution for a contravention of subsection (1)— (a) the onus of proving that that subsection did not apply to him shall lie upon the accused; (b) if it is proved that the accused entered Zimbabwe, it shall be presumed, unless the contrary is proved, that he was not in possession of a permit referred to in paragraph (a) of subsection (1) or a visitors entry certificate or visa referred to in paragraph (b) of subsection (1), as the case may be. 30 Exemption from section 29 (1) The Minister may, by order in writing, exempt any alien, subject to such conditions as the Minister may impose, from all or any of the provisions of subsection (1) of section twenty-nine: Provided that the Minister shall not issue any order in terms of this subsection which has the effect of permitting an alien to reside permanently in Zimbabwe. (2) The Minister may at any time, by notice in writing to the person concerned, cancel any order in terms of subsection (1) and thereafter subsection (1) of section twenty-nine shall apply to that person. 31 Visitors entry certificate (1) An immigration officer may, on the application of an alien who has complied with all the prescribed requirements— (a) endorse the travel document of the alien or any other document with a visitors entry certificate, which shall be— (i) subject to prescribed conditions; and (ii) valid for the period stated therein, which shall not exceed six months in the first instance; or (b) refuse such visitors entry certificate. (2) An alien who is refused a visitors entry certificate in terms of paragraph (b) of subsection (1) may apply to the Minister for such a certificate and the Minister may issue or refuse such a certificate: Provided that nothing in this subsection shall be construed as permitting an alien to be or remain in Zimbabwe for the purpose of making an application in terms of this subsection or pending the decision of the Minister.