In the years following the passage of the Gun Control Act of 1968, people buying guns were required to show identification and sign a statement affirming that they were not in any of the prohibited categories.
在1968年槍枝管制法通過之後的幾年中，人們買槍必須表明身份，並簽署一份聲明確認他們不在法律明令禁止持槍幾大類裡。