For purposes of this order the term "regulation" or "rule" means an agency statement of general or particular applicability and future effect designed to implement, interpret, or prescribe law or policy or to describe the procedure or practice requirements of an agency, but does not include:

(a)  regulations issued with respect to a military, national security, or foreign affairs function of the United States;

(b)  regulations related to agency organization, management, or personnel; or

(c)  any other category of regulations exempted by the Director.