(d) if his or her address in the Republic is unknown, when it has been served on his or her agent or representative in the Republic in the manner contemplated in paragraph (a), (b) or (c); or
(d) sinikwe i arhente yakhe okanye ummeli wakhe kwiRiphabliki ngendlela echazwe kumhlathi (a), (b) okanye (c), ukuba idilesi yakhe kwiRiphabliki ayaziwa; okanye