Any notice, consent or demand required or permitted to be given under the provisions of this Plan shall be in writing and shall be signed by the party giving or making the same. If such notice, consent or demand is (i) delivered personally, the date of such delivery shall be deemed the date of notice, consent or demand, (ii) mailed, either it shall be sent by United States certified mail, postage prepaid, addressed to the addressee’s last known address as shown on the records of the Employer, in which case the date which is five days after such mailing shall be deemed the date of notice, consent or demand, and (iii) sent by recognized overnight courier, the date which is the second business day after such sending shall be deemed the date of notice, consent or demand. Any person may change the address to which notice, consent or demand is to be sent by giving notice of the change of address in the manner aforesaid.