This chapter, referred to in text, was in the original “this Act”, meaning Pub. L. 96–510, Dec. 11, 1980, 94 Stat. 2767, known as the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, which enacted this chapter, section 6911a of this title, and sections 4611, 4612, 4661, 4662, 4681, and 4682 of Title 26, Internal Revenue Code, amended section 6911 of this title, section 1364 of Title 33, Navigation and Navigable Waters, and section 11901 of Title 49, Transportation, and enacted provisions set out as notes under section 6911 of this title and sections 1 and 4611 of Title 26. For complete classification of this Act to the Code, see Short Title note set out under section 9601 of this title and Tables.

1986—Pub. L. 99–499 inserted sentence at end relating to administrative settlements under section 9622 of this title which have effect of limiting any person’s right to obtain contribution from any party to such settlement.