All notices and other communications provided for hereunder to be effective must be in writing and either (i) hand delivered or delivered by overnight courier to, or (ii) sent by electronic mail to (as applicable), the addresses or electronic mail addresses set forth on the signature page hereto, or, at such other address as designated by one party to the others in a written notice to the others. Notices and communications delivered by hand or overnight carrier shall be deemed to have been duly given or made (a) on the date when hand delivered, or (b) on the Business Day following delivery to a national overnight courier service (all delivery charges prepaid).Notices and other communications sent to an electronic mail address shall be deemed received upon the sender’s receipt of an acknowledgement from the intended recipient (such as by the “return receipt requested” function, as available, return electronic mail or other written acknowledgement), provided that if such notice or other communication is not sent during the normal business hours of the recipient, such notice or communication shall be deemed to have been sent at the opening of business on the next business day for the recipient.