How are people weeding out bogus service dogs?

[Cory Melious]

I have a small 3 unit that I manage myself. It's generally been easy to deal with, but as we all know, New York state is anything but supportive for small landlords. It seems like more and more people are abusing the "service dog" rules. I've had a few applicants with "service" dogs show up with untrained pitbulls. Thankfully they didn't even come close to the credit requirements and we found more qualified applicants.

How are people screening and weeding out the legit service animals from the bogus ones, when you aren't allowed to ask any questions? I would love it if there was a form for applicants to have their doctor fill out on their behalf. Instead of some ******** internet letter.