United Nations Arms Trade Treaty
from Jan. 25 2015
> which seeks to prevent and control the illicit trade of weapons while regulating the international trade of them, includes measures such as creating a national gun registry; mandating control of firearms and ammunition; regulating the manufacture of gun parts; and limiting stores' ability to sell firearms.
>after it receives its fiftieth ratification, it will become international law that will presumptively apply to the United States
https://www.newsmax.com/FastFeatures/un-guns-treaty-changes/2015/01/25/id/620223/