36 CFR §1280.46

1. (a)You may film, photograph, or videotape on NARA property outside a NARA facility so long as you do not impede vehicular or pedestrian traffic.
2. (b)You may film, photograph, or videotape inside a NARA facility during regular business hours in public areas, including research rooms and exhibition areas, unless otherwise posted, under the following conditions:
   1. (1)You may not use a flash or other supplemental lighting; and
   2. (2)You may not use a selfie stick, monopod, tripod, or similar equipment.