Any notice, consent or demand required or permitted to be given under the provisions of this Plan by one party to another shall be in writing, shall be signed by the party giving or making the same, and may be given either by delivering the same to such other party personally, or by mailing the same, by United States certified mail, postage prepaid, to such party, addressed to his/her last known address as shown in the records of the Bank. The date of such mailing shall be deemed the date of such mailed notice, consent or demand.