Any person nominated to serve on the Board shall file with the Secretary at the time of the nomination a written agreement to:
(a) Serve on the Board if appointed;
(b) Disclose any relationship with the Council or a State association or any organization that has a contract with the Board and thereafter disclose, at any time while serving on the Board, any relationship with any organization that applies to the Board for a contract; and
(c) Withdraw from participation in deliberations, decisionmaking, or voting on matters concerning any entity referred to in paragraph (b) of this section, if an officer or member of the executive committee of such entity.