Any notices required or permitted to be given hereunder shall be given in writing and shall be delivered (a) in person, (b) by a commercial overnight courier that guarantees next day delivery and provides a receipt, (c) by legible facsimile (followed by hard copy delivered in accordance with preceding subsections (a)-(b)) or (d) by electronic mail transmission, and shall be served on the parties at the addresses set forth in Section B . Any of the Parties may change its address for the receipt of notices, demands, consents, requests and other communications by giving written notice to the other Party in the manner provided for above.  Any notice shall be effective only upon receipt (or refusal by the intended recipient to accept delivery).