Emotional support animal dog tags are also provided by many websites, but ID tags aren’t required by law. In that situation, the individual must use voice, signal, or other effective means to keep charge of the animal. If you’re considering an animal that isn’t a dog or cat, you can ask whether the animal would qualify before beginning the registration procedure. You will flying with a dog want the letter stating you have a disability, but you do not have to disclose what your disability is.