Subject to the provisions of this section, any notice required or authorised by this Act to be served or given to any person may be served or given by delivering it to him, or by leaving it at his proper address, or by sending it to him by post.

For the purposes of this section and of section 7 of the M1Interpretation Act 1978 (service by post) in its application to this section, the proper address of a person on or to whom any such notice as aforesaid is to be served or given shall, in the case of an education authority, be the address of any office of that authority and, in any other case, be the last known address of the person on or to whom the notice is to be served or given.

Any notice which, in accordance with the provisions of subsection (1) above, is left for a person at his proper address shall, unless the contrary is proved, be presumed to have been received by him on the day on which it was left there.