(d) if his address in the Republic is unknown, when it has been served on his agent or representative in the Republic in the manner provided by paragraph (a), (b) or (c), or
(d) ukuba idilesi yakhe yeli leRiphabliki ayaziwa, xa luthe lwanikwa iarhente yakhe okanye ummeli wakhe wakweli le Riphabliki ngendlela echazwe kumhlathi (a), (b) okanye (c), okanye