Any notice. 18.3.1 addressed to the recipient in the manner prescribed by this Agreement shall, if sent by internationally recognized express mail courier service, be deemed to have been served or delivered on the day it was so delivered;
Any notice to the Buyer under the provisions of this Agreement shall be valid and effective if delivered personally, by courier or by facsimile transmission to or, if given by registered mail, postage prepaid, addressed to the Buyer at its principal office at *[REDACTED], and shall be deemed to have been given on the date of delivery personally or by facsimile transmission if so delivered prior to 5:00 p.m. (Toronto time) on a Business Day and otherwise on the next Business Day or on the third Business Day after such letter has been mailed, as the case may be. The Buyer may from time to time notify the Seller of a change in address which thereafter, until changed by further notice, shall be the address of the Buyer for all purposes of this Agreement.
Any notice. (a) required to be given by a party may be given by that party's solicitor or agent and/or