1956—Act July 28, 1956, increased maximum area of land for each purpose for which permits may be granted from not more than 5 acres to not more than 80 acres, and authorized permits for facilities for public safety, for buildings, structures, and facilities for industrial or commercial purposes whenever such purposes are related to or consistent with other use of the national forests, and for facilities to be used by public or nonprofit agencies for education or public use or in connection with any public activity.

Pub. L. 106–113, div. B, § 1000(a)(3) [title III, § 331], Nov. 29, 1999, 113 Stat. 1535, 1501A–196, as amended, formerly set out as a note under this section, was transferred to section 497e of this title.