Notices and all other communications provided for in this Agreement must be in writing and will be deemed to have been duly given upon receipt (or rejection) when delivered in person or by overnight delivery (to the chief legal officer of DDR in the case of notices to DDR and to Executive in the case of notices to Executive) or mailed by United States registered mail, return receipt requested, postage prepaid, and addressed, if to DDR, to its principal place of business, attention: Chief Legal Officer, and, if to Executive, to Executive’s home address last shown on the records of DDR, or to such other address or addresses as either party may furnish to the other in accordance with this Section  18 .