36 CFR §13.160

1. (a)A local rural resident who is an eligible subsistence user may use an existing cabin or other structure or temporary facility or construct a new cabin or other structure, including temporary facilities, in a portion of a park area where subsistence use is allowed, pursuant to the applicable provisions of subparts F through V of this part and the terms of a permit issued by the Superintendent. However, the Superintendent may designate existing cabins or other structures that may be shared by local rural residents for authorized subsistence uses without a permit.
2. (b)For purposes of this section, the term “local rural resident”, with respect to national parks, monuments, and preserve, is defined in § 13.420 of this chapter.