I didn't feel a need for PAL mention because I was responding to the aforementioned "two pieces of paper." To sell a firearm legally all I need to know is that the owner has a PAL, no exchange or signing of papers of any kind. Canada does not have a database other than citizens who have taken a safety course. Canada doesn't know if I have a gun or how many. PAL permits buying and selling firearms to those who have shown they can use them safely. A national consensus of reasonable accommodation is preferable to Canada than an enduring, tiresome and never-ending national debate about regulations and constitutional rights.