All notices provided for in this Amended and Restated Agreement shall be in writing, and shall be deemed to have been duly given when delivered personally to the party to receive the same, when given by telex, telegram or mailgram, or when mailed first class postage prepaid, by registered or certified mail, return receipt requested, addressed to the party to receive the same. All notices shall be deemed to have been given as of the date of personal delivery, transmittal or mailing thereof.