14 C.F.R. § 431.11 Additional license terms and conditions.
Title 14 - Aeronautics and Space
The FAA may amend an RLV mission license at any time by modifying or adding license terms and conditions to ensure compliance with 49 U.S.C. Subtitle IX, chapter 701, and applicable regulations.
Title 14: Aeronautics and Space
PART 431—LAUNCH AND REENTRY OF A REUSABLE LAUNCH VEHICLE (RLV)
Subpart A—General
§ 431.11 Additional license terms and conditions.