Will you please post that rule , law. ive never seen that on any ada paperwork.
Federal Law Prohibits Discrimination Of Breed,Size,Training Level Or Age Of Any Emotional Support Or Service Dog, Emotional support dogs do not have to be trained to perform any specific task. Service dogs can be trained by their owners or in any other manner the owner desires to assist them with their disability.
People With Service Animals Must Be Allowed Access To All Public Accommodations. This right takes precedence over all state and local laws which might otherwise prohibit animals in those places such as Stores, Malls, Restaurants, Hotels/Resorts, Airlines,Cruises, Taxi cabs, Buses just to name a few.
https://www.officialservicedogregistry.com/register-your-dog/?gclid=CMuBhYPM-9ECFQaewAodwTgLyg