Sets and props
Sets and props means items constructed or placed on agency lands to facilitate commercial filming or still photography including, but not limited to, backdrops, generators, microphones, stages, lighting banks, camera tracks, vehicles specifically designed to accommodate camera or recording equipment, rope and pulley systems, and rigging for climbers and structures. Sets and props also include trained animals and inanimate objects, such as camping equipment, campfires, wagons, and so forth, when used to stage a specific scene. The use of a camera on a tripod, without the use of any other equipment, is not considered a prop.
43 CFR § 5.12
The following definitions apply to this subpart: