261.53—Special closures.
When provided in an order, it is prohibited to go into or be upon any area which is closed for the protection of:
(g)
The privacy of tribal activities for traditional and cultural purposes. Closure to protect the privacy of tribal activities for traditional and cultural purposes must be requested by an Indian tribe; is subject to approval by the Forest Service; shall be temporary; and shall affect the smallest practicable area for the minimum period necessary for activities of the requesting Indian tribe.