With respect to the Federal Old-Age and Survivors Insurance Trust Fund and the Federal Disability Insurance Trust Fund (hereinafter in this title called the “Trust Funds”) there is hereby created a body to be known as the Board of Trustees of the Trust Funds (hereinafter in this title called the “Board of Trustees”) which Board of Trustees shall be composed of the Commissioner of Social Security, the Secretary of the Treasury, the Secretary of Labor, and the Secretary of Health and Human Services, all ex officio, and of two members of the public (both of whom may not be from the same political party), who shall be nominated by the President for a term of four years and subject to confirmation by the Senate. A member of the Board of Trustees serving as a member of the public and nominated and confirmed to fill a vacancy occurring during a term shall be nominated and confirmed only for the remainder of such term. An individual nominated and confirmed as a member of the public may serve in such position after the expiration of such member’s term until the earlier of the time at which the member’s successor takes office or the time at which a report of the Board is first issued under paragraph (2) after the expiration of the member’s term. The Secretary of the Treasury shall be the Managing Trustee of the Board of Trustees (hereinafter in this title called the “Managing Trustee”). The Deputy Commissioner of Social Security shall serve as Secretary of the Board of Trustees.