30.1 Any notice required to be given by either Authority pursuant to or in connection with this Agreement shall not be effective unless given in writing and sent by first class post or delivered by hand or facsimile transmission to the address of the Authority set out above or such alternative address as may be notified in accordance with Clause 30.3 (Notices).
30.2 A notice served in accordance with Clause 30.1 (Notices) shall be deemed to have been duly served when received except that:
30.2.1 subject to Clause 30.2.2 (Notices) if it is received between 4 pm on a Business Day and 9 am on the immediately following Business Day it shall be deemed to have been served at 9 am on the second of such Business Days; and
30.2.2 if given or made by facsimile transmission, it shall be deemed to have been received once an uninterrupted communication report has been generated, provided the Authority to whom the notice is to be transmitted has not notified the Authority giving or making the notice that the facsimile is unintelligible or incomplete.
30.3 Each Authority shall notify the other in writing within five (5) Business Days of any change in its address for service.