(c) when it has been posted by registered or certified mail to his or her last known residential or business address in the Republic and an acknowledgment of the posting thereof is produced;
(c) esiposelwe ngeposi ebhalisiweyo okanye eqinisekisiweyo kwidilesi yakhe yokugqibela eyaziwayo okanye kwidilesi yasemsebenzini kwiRiphabliki ze kwakho isaziso sokuposwa kwaso;