All notices, requests, consents, claims, demands, waivers, and other communications (other than routine communications having no legal effect) shall be in writing and shall be deemed to have been given (a) when delivered by hand (with written confirmation of receipt); (b) one Business Day after being sent, if sent by a nationally recognized overnight courier; (c) on the date sent by e-mail, if sent during normal business hours of the recipient, and on the next Business Day if sent after normal business hours of the recipient; or (d) on the fourth Business Day after the date mailed, by certified or registered mail, return receipt requested, postage prepaid. Such communications must be sent to the respective parties at the addresses indicated below (or at such other address for a party as shall be specified in a notice given in accordance with this Section).