Additionally, there are 13 international organizations that issued formal confirmations of the convention: IAEA, ICAO, Interpol, ILO, IMO, OPCW, CTBTO Preparatory Commission, the UN, UNIDO, UPU, WHO, WIPO, WORLDPOL.

The signatory states that have not ratified are: Ivory Coast, DR Congo, United States, Brazil, Bosnia and Herzegovina, South Korea, Japan, Serbia, Montenegro, Morocco, Egypt, Sudan, Burkina Faso, Benin, Zambia, and Malawi. Additionally, there are international organizations that have signed, but not completed their formal confirmation procedures: CoE, FAO, ITU, UNESCO and WMO.