32 CFR § 245.17
U.S. civil and military air traffic control facilities
July 1, 2020
U.S. civil and military air traffic control facilities will:
(a) Maintain current information on the status of restrictions imposed on air traffic.
(b) Process flight plans in accordance with current instructions received from the ARTCC. All flights must comply with the airspace control measures in effect, the EATPL, or must have been granted a Security Control Authorization.
(c) Disseminate instructions and restrictions to air traffic as directed by the ARTCCs.