14 CFR § 382.17
May carriers limit the number of passengers with a disability on a flight?
July 13, 2020
As a carrier, you must not limit the number of passengers with a disability who travel on a flight. (See also §382.27(c)(6) of this part.)
[Doc. No. DOT-OST-2004-19482, 73 FR 27665, May 13, 2008, as amended at 74 FR 11471, Mar. 18, 2009]