Notices and all other communications provided for in the Plan shall be in writing and shall be deemed to have been duly given when personally delivered or when mailed by United States registered or certified mail, return receipt requested and postage prepaid. In the case of a Participant, mailed notices will be sent to his or her home address most recently communicated to the Company in writing. In the case of the Company, mailed notices will be addressed to its corporate headquarters, and all notices will be directed to the attention of its Vice President, Human Resources.