This chapter, referred to in text, was in the original “this Act”, meaning Pub. 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 the operative date of this chapter, referred to in subsec. (b), see section 509 of Pub. L. 91–173, set out as an Effective Date note under section 801 of this title.

1977—Subsec. (b). Pub. L. 95–164 inserted reference to mines other than coal mines.

Amendment by Pub. L. 95–164 effective 120 days after Nov. 9, 1977, except as otherwise provided, see section 307 of Pub. L. 95–164, set out as a note under section 801 of this title.