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 CFR125); or

(ii) A designated official under PartV of Executive Order10480, August 14,1953 (18 FR4939, August 20,1953) and section 708 of the Defense Production Act of1950 ( 50 U.S.C. App.2158).