14 C.F.R. § 101.21 Applicability.
Title 14 - Aeronautics and Space
This subpart applies to the operation of unmanned rockets. However, a person operating an unmanned rocket within a restricted area must comply only with §101.23(g) and with additional limitations imposed by the using or controlling agency, as appropriate. [Doc. No. 1580, 28 FR 6722, June 29, 1963]
Title 14: Aeronautics and Space
PART 101—MOORED BALLOONS, KITES, UNMANNED ROCKETS AND UNMANNED FREE BALLOONS
Subpart C—Unmanned Rockets
§ 101.21 Applicability.