49.—(1) A notification or notice to be given to a person by the Authority or Appeal Board under this Act shall be given to the person in one of the following ways:

(a) by delivering it to the person;

(b) by leaving it at the address at which the person ordinarily resides or carries on business;

(c) by sending it by prepaid registered post in an envelope addressed to the person at that address;

(d) where the person has given an address for service of notices, by leaving it at the address for such service or sending it by prepaid registered post in an envelope addressed to the person at that address;

(e) where—

(i) the Authority or Appeal Board considers that notice should be given immediately, and

(ii) a fax machine is located at an address mentioned in paragraph (b) or (d),

by sending it by fax to that machine.

(2) (a) When a notification or notice is sent by prepaid registered post, it is deemed to be received by the person on the third working day after the day on which it was so sent.

(b) When sent by fax, it is deemed to be received by the person when the sender's fax machine generates a message confirming successful transmission of the notice.

(3) For the purposes of this section a company registered under the Companies Acts 1963 to 2003 is deemed to be ordinarily resident at its registered office and every other body corporate or unincorporated body to be so resident at its principal office or place of business.