48 C.F.R. § 17.401
Leader company contracting is an extraordinary acquisition technique that is limited to special circumstances and utilized only when its use is in accordance with agency procedures. A developer or sole producer of a product or system is designated under this acquisition technique to be the leader company, and to furnish assistance and know-how under an approved contract to one or more designated follower companies, so they can become a source of supply. The objectives of this technique are one or more of the following: