* Act of June 15, 1940 (P.L. 76-631, Ch. 367, 54 Stat. 398;
41 U.S.C. 20a)
Permits, contracts, agreements, or other instruments requiring
payments into the Treasury of the United States on account of
sale of Nation-al Forest products, use of National Forest land,
or other sou-rc-es of National Forest revenue, in-cluding contribu-tions
by cooperators in connection with au-thorized activities of the
Forest Service, shall be exempt from the provisions of Section
20, Title 41, United States Code, when the permit or other instrument
does not require payment to the Government in excess of $300 in
any one fiscal year. (41 U.S.C. 20a)