14 C.F.R. § 93.125 Arrival or departure reservation.
Title 14 - Aeronautics and Space
Except between 12 Midnight and 6 a.m. local time, no person may operate an aircraft to or from an airport designated as a high density traffic airport unless he has received, for that operation, an arrival or departure reservation from ATC. [Doc. No. 9974, 37 FR 22794, Oct. 25, 1972]
Title 14: Aeronautics and Space
PART 93—SPECIAL AIR TRAFFIC RULES
Subpart K—High Density Traffic Airports
§ 93.125 Arrival or departure reservation.
