Service by post

Where any Act authorises or requires any documents to be served or any notice to be given by post or by registered post, whether the expression “serve” or “give” or “send” or any other expression is used, unless the contrary intention appears, the service or notice shall be deemed to be effected by properly addressing, pre-paying the postage thereon and dispatching it by post or by registered post, as the case may be, to the last known postal address of the person to be served or given notice, and, unless the contrary is proved, such service or notice shall be deemed to have been effected at the time at which the document or notice would be delivered in the ordinary course of post.