I keep some generic bill of sales that contains name, drivers license #. name.model, and serial # of gun. If they don't want to do it I don't buy. Its a private record thats kept my safe thats not required in tn. Tenn is non register state. What if you meet the guy a mcdees and buy it with no paperwork as soon as you leave he calls LEO idenifys your car and claims he saw you steals it out his car. you could have a problem. BTW our local police dept will run serial # I had them run several last year for weapons that I had acquired before I statred doing this.