IAML is governed by the General Assembly and the Board. The General Assembly comprises all members and shall be held once a year, during the Association’s congress. The Board is the executive committee of the Association and is made up of elected and appointed officers: the President, the President-Elect or Past-President, the four Vice-Presidents, the Secretary General and the Treasurer. The work of the Association is accomplished through a network of Professional Branches, Subject Commissions, Working Groups and Committees.

Until 2014, IAML was also governed by a Council.