General Assembly The General Assembly ( GA ) is the highest decision-making body . It is held every two years and every other General Assembly is held in Monaco . The last General Assembly was held in Ypres , Belgium ( Flanders ) in July 2015 and the next one will be in Monaco in August 2017 . International Theatre Festival Alongside the GA , an International Theatre Festival is held where amateur theatre groups selected by that country 's AITA/IATA National Centre come together to perform , to attend workshops and discussions and to exchange theatre experiences . In 2015 , it was held in the village of Westouter , some 10 km from Ypres , and was part of the Spots op West 2015 Festival . In Monaco , the International Festival - Mondial du Théâtre - is organised by the Studio de Monaco with AITA/IATA
Mondial du Théâtre
Mondial du Théâtre
International Amateur Theatre Association