4E+W+SA notice under paragraph 2 of this Schedule may be served—
(a)by delivering it to the person on whom it is to be served;
(b)by leaving it at the usual or last known place of abode of that person;
(c)by sending it by registered letter, or by the recorded delivery service, addressed to that person at his usual or last known place of abode; or
(d)in the case of an incorporated company or body, by delivering it to the secretary or clerk of the company or body at their registered or principal office, or sending it by registered letter, or by the recorded delivery service, addressed to the secretary or clerk of the company or body at that office.