visitor's permit issued to him under section 26; (b)is in possession of a valid student's permit issued to him under section 31; (c)is such a person as is described in section 12 (a), (b) or (c); (d)passes through Malawi in direct transit to a destination outside Malawi if the period of transit does not exceed seven days; and (e)on the date of commencement of this Act is the holder of a valid tem