UN Photo/Jean-Marc Ferré

The [CASA] mechanism established by the Secretary-General has developed guidance on appropriate control measures […] The standards, reflected in International Small Arms Control Standard 03.30 on national regulation of civilian access to small arms and light weapons, provide comprehensive guidance on the acquisition, possession and use of firearms.

Zeid Ra’ad al Hussein
UN High Commissioner for Human Rights

Human rights and the regulation of civilian acquisition, possession and use of firearms: Report of the United Nations High Commissioner for Human Rights (A/HRC/32/21)