When it is necessary to provide a greater level of security and safety, flight in NSAs may be temporarily prohibited by regulation under the provisions of 14 CFR Section 99.7. Regulatory prohibitions will be issued by System Operations, System Operations Airspace and AIM Office, Airspace and Rules, and disseminated via NOTAM.
When increased security and safety necessitate it, flights in NSAs might be temporarily halted under 14 CFR Section 99.7. Such prohibitions would be issued by System Operations, System Operations Airspace and AIM Office, Airspace and Rules, and disseminated via NOTAMs.