Subchapter IV - 21st Century Schools Part C - Environmental Tobacco Smoke. Preemption.
Nothing in this part is intended to preempt any provision of law of a State or political subdivision of a State that is more restrictive than a provision of this part.
(Pub. L. 89-10, title IV, Sec. 4304, as added Pub. L. 107-110, title IV, Sec. 401, Jan. 8, 2002, 115 Stat. 1776.)