The WA member countries monitor the export of goods listed on the joint list to which periodical additions, in accordance with the development of technology and the gained experience, are made. The countries also exchange information, including half-annual reports on the trade of arms in the seven categories of the U.N. conventional arms register, as well as the reports on transfer or transfer prohibition of dual-goods that are being monitored, and other information which the member countries find important. The WA reaches its decisions by consensus. The member countries meet regularly in Vienna, where the WA Secretary is also situated. Austria is presiding over the Arrangement this year.
The WA member countries are: Argentina, Australia, Austria, Belgium, Bulgaria, Canada, the Czech Republic, Denmark, Finland, France, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Japan, the Republic of Korea, Luxembourg, the Netherlands, Norway, New Zealand, Poland, Portugal, Romania, the Russian Federation, Slovakia, Spain, Sweden, Switzerland, Turkey, Ukraine, and the United States (33 founding countries). The new countries are Estonia, Latvia, Lithuania, Malta, Slovenia, and Croatia (since June 29).