Subject to any rules that may be made under this Act, every notice or order issued or made under this Act shall—
(a)in the case of a notice or order of a general nature or affecting a number of persons, be notified in the Official Gazette and also published in the locality in such manner as may be prescribed; and
(b)in the case of a notice or order directed to an individual 1[be served on such individual],—
(i)wherever it is practicable to do so by delivering or tendering it to that individual; or
(ii)if it cannot be so delivered or tendered, by affixing it on the door or some other conspicuous part of the residence in which that individual lives, and a written report thereof shall be prepared and witnessed by two persons living in the neighbourhood; or
(iii)failing service by these means, by post.