[1] The general assembly of the national societies defines the policy of the institute and elects its president and a board of directors.
A permanent secretariat deals with regular day-to-day activities and maintains contact with other international bodies.
[2] The institute has established a number of technical commissions, each one covering a relatively broad subject of welding science and technology.
[3] A total of 21 ISO standards and updates have been published under the direct responsibility of IIW.
[4] The Institute publishes Welding in the World, a bimonthly international scientific, technical and trade journal.