48 CFR §17.403

1. (a)The contracting officer may award a prime contract to a—
   1. (1)Leader company, obligating it to subcontract a designated portion of the required end items to a specified follower company and to assist it to produce the required end items;
   2. (2)Leader company, for the required assistance to a follower company, and a prime contract to the follower for production of the items; or
   3. (3)Follower company, obligating it to subcontract with a designated leader company for the required assistance.
2. (b)The contracting officer shall ensure that any contract awarded under this arrangement contains a firm agreement regarding disclosure, if any, of contractor trade secrets, technical designs or concepts, and specific data, or software, of a proprietary nature.