Work on SALW via the United Nations is coordinated by the Office for Disarmament Affairs (UNODA), though the UN Coordinating Action on Small Arms (CASA) mechanism, which comprises 21 UN departments and agencies working on different aspects of small arms and light weapons control.
The United Nations coordinates its work on SALW through the Office for Disarmament Affairs (UNODA), whereas the UN Coordinating Action on Small Arms (CASA) is a collaborative effort involving 21 UN departments and agencies tackling different facets of small arms and light weapons regulation.