Americans with Disabilities Act (ADA) of 1990 (with amendments issued through 2008)

(b) Relationship to other laws

Nothing in this chapter shall be construed to invalidate or limit the remedies, rights, and procedures of any Federal law or law of any State or political subdivision of any State or jurisdiction that provides greater or equal protection for the rights of individuals with disabilities than are afforded by this chapter. Nothing in this chapter shall be construed to preclude the prohibition of, or the imposition of restrictions on, smoking in places of employment covered by subchapter I of this chapter, in transportation covered by subchapter II or III of this chapter, or in places of public accommodation covered by subchapter III of this chapter.