Form 4473 is a form that is required to be filled out whenever a person buys a firearm from a dealer. It contains a list of questions that are required to be answered before the dealer can transfer the firearm to the buyer. Some of those questions are:
Are you the actual transferee/buyer of the firearm(s) listed on this form? Warning: You are not the actual buyer if you are acquiring the firearm(s) on behalf of another person. If you are not the actual buyer, the dealer cannot transfer the firearm(s) to you.
Are you an unlawful user of, or addicted to, marijuana or any depressant, stimulant, narcotic drug, or any other controlled substance?
Are you an alien illegally in the United States?
Do you plan on committing an illegal act with a firearm? An illegal act would be murder, workplace violence, a hate crime, or any other crime which would involve shooting or threatening to shoot, another person or persons?