binding operational directive
(1) The term “binding operational directive” means a compulsory direction to an agency that— (A) is for purposes of safeguarding Federal information and information systems from a known or reasonably suspected information security threat, vulnerability, or risk; (B) shall be in accordance with policies, principles, standards, and guidelines issued by the Director; and (C) may be revised or repealed by the Director if the direction issued on behalf of the Director is not in accordance with policies and principles developed by the Director.