16 U.S. Code § 6810 - Volunteers
(a) Authority to use volunteers
The Secretary may use volunteers, as appropriate, to collect recreation fees and sell recreation passes.
(b) Waiver or discount of fees; site-specific agency pass
In exchange for volunteer services, the Secretary may waive or discount an entrance fee, standard amenity recreation fee, or an expanded amenity recreation fee that would otherwise apply to the volunteer or issue to the volunteer a site-specific agency pass authorized under section 6804 (c) of this title.
(c) National Parks and Federal Recreational Lands Pass
(d) Regional multientity passes
The Secretary may issue a regional multientity pass authorized under section 6804 (d) of this title to a volunteer in exchange for significant volunteer services performed by the volunteer, if the regional multientity pass agreement under which the regional multientity pass was established provides for the issuance of the pass to volunteers.
Source(Pub. L. 108–447, div. J, title VIII, § 811,Dec. 8, 2004, 118 Stat. 3389.)
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