All notices, requests and demands which any party is required or may desire to give to any other party under any provision of this Sublease Agreement must be in writing delivered to each party at the address set forth hereinabove, or to such other address as any party may designate by written notice to all other parties. Each such notice, request and demand shall be deemed given or made as follows: (a) if sent by hand delivery, upon delivery; (b) if sent by mail, upon the earlier of the date of receipt or three (3) days after deposit in the U.S. mail, first class and postage prepaid; (c) if sent by facsimile, upon acknowledged receipt; and (d) if by email upon acknowledged receipt.