I just realized how bad people do not know the laws. If you do not know what you need to sell a firearm, maybe you shouldn't own one. (not aimed at you Bad ) If you buy a gun in ohio, it is NOT registered anywhere! Yes they did a background check on you... BUT that does not mean it is registered. And if anyone ever goes through the process of registering a firearm is a complete and utter MORON. 21 and ohio resident are the only criteria. I always provide a bill of sale with both signatures just in case. But if it's a buddy, i wouldn't.