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

(b) Interference, coercion, or intimidation

It shall be unlawful to coerce, intimidate, threaten, or interfere with any individual in the exercise or enjoyment of, or on account of his or her having exercised or enjoyed, or on account of his or her having aided or encouraged any other individual in the exercise or enjoyment of, any right granted or protected by this chapter.