Any notice, request, demand or other communication given by any Party under this Agreement shall be in writing, may be given by a Party or its legal counsel, and shall be deemed to be duly given (i) when personally delivered (or refused), or (ii) upon delivery (or refused) by an internationally recognized express courier service which provides evidence of delivery (or refused), or (iii) when three (3) days have elapsed after its transmittal by registered or certified mail, postage prepaid, return receipt requested, addressed to the Party to whom directed at that Party’s address as it appears below or another address of which that Party has given notice, or (iv) when delivered by facsimile transmission if a copy thereof is also delivered in person or by overnight courier. Notices of address change shall be effective only upon receipt notwithstanding the provisions of the foregoing sentence.