All notices and other communications provided for hereunder shall be in writing and shall be mailed (by overnight mail or by certified mail, postage prepaid and return receipt requested), telecopied, sent via electronic mail, sent via overnight courier or delivered, if to any Guarantor, to the address for such Guarantor set forth on the signature page hereto, or if to any Buyer, to it at its respective address set forth in the Securities Purchase Agreement; or as to any Person at such other address as shall be designated by such Person in a written notice to such other Person complying as to delivery with the terms of this Section 8 . All such notices and other communications shall be effective (i) if mailed (by certified mail, postage prepaid and return receipt requested), when received or three Business Days after deposited in the mails, whichever occurs first; (ii) if telecopied, when transmitted and confirmation is received, provided it is transmitted during regular business hours on a Business Day and, if not, on the next Business Day; (iii) if sent via electronic mail, when transmitted (provided that such sent electronic mail is kept on file (whether electronically or otherwise) by the sending party and the sending party does not immediately receive an automatically generated message from the recipient’s electronic mail server that such electronic mail could not be delivered to such recipient), (d) if sent via overnight courier service, one Business Day after deposit with an overnight courier service, or (iii) if delivered by hand, upon delivery, provided it is delivered during regular business hours on a Business Day and, if not, on the next Business Day.