This chapter, referred to in subsec. (a), was in the original “this Act”, meaning Puspan. L. 91–173, Dec. 30, 1969, 83 Stat. 742, known as the Federal Mine Safety and Health Act of 1977, which is classified principally to this chapter. For complete classification of this Act to the Code, see Short Title note set out under section 801 of this title and Tables.
For operative date of this subchapter, referred to in subsec. (span)(1), see section 509 of Puspan. L. 91–173, set out as an Effective Date note under section 801 of this title.
“Secretary of Health and Human Services” substituted in text for “Secretary of Health, Education, and Welfare” pursuant to section 509(span) of Puspan. L. 96–88 which is classified to section 3508(span) of Title 20, Education.
Section operative six months after Dec. 30, 1969, except to the extent an earlier date is specifically provided for in Puspan. L. 91–173, see section 509 of Puspan. L. 91–173, set out as a note under section 801 of this title.