Any notice given under this Agreement will be sufficient if in writing and either: (a) mailed postage prepaid by registered or certified mail, return receipt requested; or (b) delivered by hand to, in the case of Farmer Mac, 1999 K Street, N.W., Washington, D.C. 20006, attention General Counsel or, in the case of the Executive, at his address identified in the payroll records of Farmer Mac (or to such other addresses as may be from time to time designated by notice from the recipient party to the other) with a copy delivered to Daniel L. Schwartz, Day Pitney LLP, One Canterbury Green, Stamford, CT 06901. Any such notice will be effective upon actual receipt or refusal thereof.