14 CFR § 382.76 - May a carrier require a service animal user to check-in physically at the airport?
You may not require a passenger with a disability to check-in physically at the airport, rather than using the online check-in available to the general public, on the basis that the passenger is traveling with a service animal.
[Doc. No. DOT–OST–2018–0068, 85 FR 79774, Dec. 10, 2020]