16 U.S.C. § 8572

(a) In general

If the Secretary concerned does not require the public to obtain a permit or reservation to access a picnic area on Federal recreational lands and waters administered by the Forest Service or the Bureau of Land Management, the Secretary concerned shall not require a covered person to obtain a permit solely to access the picnic area.

(b) Covered person defined

In this section, the term “covered person” means a person (including an educational group) that provides outfitting and guiding services to fewer than 40 customers per year at a picnic area described in subsection (a).