Usually it needs the a letter from a medical professional … that states that indeed the subject needs the animal in order to function in daily life. Its not a registration that’s given lightly
Indeed not, and it’ll take a bit more than a letter from a doctor. Have a look at this website which explains the steps and criteria required. Ultimately you need to prove both a disability and that the animal has been trained to alleviate it or assist, before you can get a no-fee registration at your local council.