(a) A directive is an official action that requires a person to take or refrain from taking certain actions in accordance with the provisions of the directive.

(b) A person must comply with each directive issued. However, a person may not use or extend a directive to obtain any items from a supplier, unless expressly authorized to do so in the directive.

(c) A priorities directive takes precedence over all DX-rated orders, DO-rated orders, and unrated orders previously or subsequently received, unless a contrary instruction appears in the directive.

(d) An allocations directive takes precedence over all priorities directives, DX-rated orders, DO-rated orders, and unrated orders previously or subsequently received, unless a contrary instruction appears in the directive.