14 C.F.R. § 103.20 Flight restrictions in the proximity of certain areas designated by notice to airmen.
Title 14 - Aeronautics and Space
No person may operate an ultralight vehicle in areas designated in a Notice to Airmen under §91.137, §91.138, §91.141, §91.143 or §91.145 of this chapter, unless authorized by: (a) Air Traffic Control (ATC); or (b) A Flight Standards Certificate of Waiver or Authorization issued for the demonstration or event. [Doc. No. FAA–2000–8274, 66 FR 47378, Sept. 11, 2001]
Title 14: Aeronautics and Space
PART 103—ULTRALIGHT VEHICLES
Subpart B—Operating Rules
§ 103.20 Flight restrictions in the proximity of certain areas designated by notice to airmen.