Any notices or other communications provided for in these Terms and Conditions shall be sufficient if in writing. In the case of the Grantee, such notices or communications shall be effectively delivered if hand delivered to the Grantee at the Grantee’s principal place of employment or if sent by certified mail, return receipt requested, to the Grantee at the last address the Grantee has filed with the Company. In the case of the Company, such notices or communications shall be effectively delivered if sent by certified mail, return receipt requested, to CRC at its principal executive offices.