They go online and buy a registration. Bang the animal is registered. It costs thousands to train a true certified service animal. They are raised from birth to be service animals and are given special training all the way. Not all of them make it. Not that they are particularly dumb or ill behaved, they just don't measure up to the stringent requirements to be a real service animal.

The airlines really needs to be more strict on this. .If you really need a service animal then you should have no problem paying the cost for a true certified animal or seek the funding to get an animal. Thankfully there are resources available for those in need.