42 U.S.C. § 6101
Statement of purpose
It is the purpose of this chapter to prohibit discrimination on the basis of age in programs or activities receiving Federal financial assistance.
( Pub. L. 94–135, title III, § 302 , Nov. 28, 1975 , 89 Stat. 728 ; Pub. L. 95–478, title IV, § 401(a) , Oct. 18, 1978 , 92 Stat. 1555 ; Pub. L. 99–272, title XIV, § 14001(b)(4) , Apr. 7, 1986 , 100 Stat. 329 .)