There never was a fake bill. It was an error made at KFC by refusing to accept a legit bill. They need to be 100% sure that a bill is fake before they offend a customer..That is my entire complaint and reason for the post.I wouldent be to worried about going to jail for only having one fake bill.
You will however loose the money and a bit of time talking to the cops.
Reporting it will get that kind of fake in to the secret sevice Database.