The effective date of this chapter, referred to in subsec. (f), means the effective date of Pub. L. 91–596, Dec. 29, 1970, 84 Stat. 1590, which is 120 days after Dec. 29, 1970, see section 34 of Pub. L. 91–596, set out as an Effective Date note under section 651 of this title.

“Secretary of Health and Human Services” substituted for “Secretary of Health, Education, and Welfare” in subsec. (a) pursuant to section 509(b) of Pub. L. 96–88 which is classified to section 3508(b) of Title 20, Education.