An original letter from an approved vehicle modifier indicating that the modifications done to the vehicle have been done so, in accordance with ADA regulations and specifications, and that the vehicle is considered a wheelchair accessible vehicle in compliance with all applicable ADA specifications and requirements.
Proof of DOT Authority to operate as a provider of Wheelchair Accessible Transportation Services.
For ADA specifications refer to eCFR :: 49 CFR Part 38 -- Americans with Disabilities Act (ADA) Accessibility Specifications for Transportation Vehicles
For examples of the makes and models of accessible vehicles currently approved for use as a Taxicab, visit the Vehicles Approved as Taxicabs page. If you have questions about model or conversions, contact firstname.lastname@example.org