Section 20, Pub. L. 89–249, §1, Oct. 9, 1965, 79 Stat. 969, related to congressional findings and statement of purpose.
Section 20a, Pub. L. 89–249, §2, Oct. 9, 1965, 79 Stat. 969, related to authority of Secretary of the Interior to encourage concessioners.
Section 20b, Pub. L. 89–249, §3, Oct. 9, 1965, 79 Stat. 969, related to protection of concessioner's investment.
Section 20c, Pub. L. 89–249, §4, Oct. 9, 1965, 79 Stat. 970, related to new or additional services, preferential rights, and operations by a single concessioner.
Section 20d, Pub. L. 89–249, §5, Oct. 9, 1965, 79 Stat. 970, related to renewal preference for satisfactory performance, extensions, new contracts, and public notice.
Section 20e, Pub. L. 89–249, §6, Oct. 9, 1965, 79 Stat. 970, related to concessioner's possessory interest in concession property, limitations, compensation for taking, and determination of just compensation.
Section 20f, Pub. L. 89–249, §7, Oct. 9, 1965, 79 Stat. 971, related to use of non-monetary consideration in leases of government property.
Section 20g, Pub. L. 89–249, §9, Oct. 9, 1965, 79 Stat. 971, related to recordkeeping, audit and examination, and access to books and records.
Sections 20 to 20g were popularly known as the National Park System Concessions Policy Act.