20 U.S. Code § 4413 - Executive Board
In the case of any vacancy which occurs in the position of at-large member before the expiration of such member’s term, the Board shall elect a replacement to complete that term.
The Executive Board shall hold not more than 4 regular meetings per calendar year. Special meetings may be held upon the call of the chairman or 3 members of the Executive Board.
The Executive Board may hold and use all the powers of the Board, subject to the approval of the Board.