Any notice required or permitted hereunder shall be given in writing and shall be deemed effectively given upon personal delivery or upon deposit in the United States mail by certified mail (if the parties are within the United States) or upon deposit for delivery by an internationally recognized express mail courier service (for international delivery of notice), with postage and fees prepaid, addressed to the other party at its address as set forth in the Notice, or to such other address as such party may designate in writing from time to time to the other party. If an on-line or electronic system is established for participants in the Plan as described in Section 17 of this Agreement, effective notice may also be given and governed by the notice provisions of such on-line or electronic system.