All notices and other communications authorized or required hereunder shall be in writing and shall be given by mailing the same by certified mail, return receipt requested, postage prepaid, and any such notice or other communication shall be deemed to have been given when received by the party to whom such notice or other communication shall be addressed. If intended for Lessor the same will be mailed to the address herein above set forth or such other address as Lessor may hereafter designate by notice to the Lessee, and if intended for Lessee, the same shall be mailed to Lessee at the address herein above set forth, or such other address or addresses as Lessee may hereafter designate by notice to Lessor.