Any notice required or permitted under this Note shall be given in writing and shall be deemed effectively given upon personal delivery or three business days following deposit with the United States Post Office, by registered or certified mail, return receipt requested, postage prepaid, or sent by confirmed delivery via overnight courier (e.g., FedEx., etc.) addressed to the address of the receiving party set forth on the signature page hereto, or at such other address as the recipient shall have furnished in writing in accordance with this Section 6 .