ADI
While the ADA is what protects Service Dogs in the United States, Assistance Dogs International creates an even more general expectation for Service Dogs (also known as Assistance Dogs) worldwide. On their website, they differentiate Service Dogs from Therapy and Emotional Support Animals, which is a very important distinction to make as well as where to go about getting an Assistance Dog and more.
Read more at https://assistancedogsinternational.org/