On 25 September 2014, 50 states ratified the Arms Trade Treaty (ATT). On 24 December 2014, ATT have entered into force and been legally binded worldwide. Over 122 states have signed the treaty so far and 54 countries ratified. The treaty is supposed to make a meaningful contribution for peace and security, and to support a sustainable social and economic development away from threats of small arms and conventional weapons. The treaty envisages that countries exporting weapons have to follow strict guidelines, in particular if in countries that import weapons human rights and humanitarian law is respected. The signatory countries of ATT met in a two days conference in Berlin to discuss administrative matters regarding the treaty.