Pool, as used in this subpart, means a group of concerns (see 19.001) that have—

(1) Associated together in order to obtain and perform, jointly or in conjunction with each other, defense production or research and development contracts;

(2) Entered into an agreement governing their organization, relationship, and procedures; and

(3) Obtained approval of the agreement by either—

(i) The Small Business Administration (SBA) under section 9 or 11 of the Small Business Act (15 U.S.C. 638 or 640) (see 13 CFR part 125); or

(ii) A designated official under Part V of Executive Order 10480, August 14, 1953 (18 FR 4939, August 20, 1953) and section 708 of the Defense Production Act of 1950 (50 U.S.C. App. 2158).