Except as otherwise provided herein, whenever any notice, demand, request or other communication shall or may be given to or served upon any party by any other party, or whenever any party desires to give or serve upon any other party any communication with respect to this Agreement, each such communication shall be in writing and shall be deemed to have been validly served, given or delivered (a) upon the earlier of actual receipt and three (3) days after deposit in the United States Mail, registered or certified mail, return receipt requested, with proper postage prepaid, (b) upon transmission, when sent by telecopy or other similar facsimile transmission (with such telecopy or facsimile promptly confirmed by delivery of a copy by personal delivery or United States Mail as otherwise provided in this Section 14.18 , (c) one (1) Business Day after deposit with a reputable overnight courier with all charges prepaid or (d) when hand-delivered, all of which shall be addressed to the party to be notified and sent to the address or facsimile number indicated in Schedule III or to such other address (or facsimile number) as may be substituted by notice given as herein provided or may be set forth in an Assignment Agreement.