14 CFR § 99.7
Special security instructions
July 13, 2020
Each person operating an aircraft in an ADIZ or Defense Area must, in addition to the applicable rules of this part, comply with special security instructions issued by the Administrator in the interest of national security, pursuant to agreement between the FAA and the Department of Defense, or between the FAA and a U.S. Federal security or intelligence agency.
[69 FR 16756, Mar. 30, 2004]