; (B) to require air carriers to provide priority access to bulkhead seating to people with disabilities who need access to the features of those seats due to a disability regardless of class of service of ticket purchased; and (C) to ensure the right of passengers with disabilities to stow assistive devices, including medication and medical supplies, without cost. (3) Service animals Not later than 180 days after the date of the enactment of this Act, the Secretary shall issue revised regulations— (A) eliminating additional documentation for psychiatric service animals; (B) protecting the ability of travelers to use emotional support animals in air transportation