The Rehabilitation Act of 1973 was the country’s first civil rights law for people with disabilities. Section 504 is the part of that law that gives your child important rights in public and private schools.

:f your child has learning and thinking differences, you may have heard of a law with an odd-sounding name: Section 504 of the Rehabilitation Act of 1973. What does this law do? And how can it help your child?”

https://www.understood.org/en/articles/section-504-of-the-rehabilitation-act-of-1973-what-you-need-to-know