1989—Subsec. (a). Pub. L. 101–239 added Pub. L. 100–177, § 402(c), see 1987 Amendment note below.

1987—Subsec. (a). Pub. L. 100–177, § 402(c), as added by Pub. L. 101–239, inserted before period at end “or as preempting or overriding any State law which provides incentives, immunities, or protection for those engaged in a professional review action that is in addition to or greater than that provided by this subchapter”.

Amendment by Pub. L. 100–177 effective Nov. 14, 1986, see section 402(d) of Pub. L. 100–177, as renumbered and amended, set out as a note under section 11137 of this title.