Binding operational directive

Definition
A binding operational directive is

"a compulsory direction to an [U.S. government] agency that &mdash;
 * (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 * (C) may be revised or repealed by the Di- rector if the direction issued on behalf of the Director is not in accordance with policies and principles developed by the Director."