In order to achieve these aims an international congress shall be held periodically and, as far as possible, every 3 years. Date can be moved accordingly to special event worldwide as exhibition and so on.
The date and location shall in each case be determined by the Delegate Council. The organization and running of an international congress shall then be entrusted to the relevant national association, with financial support from the Federation.
If more the one association in any country is a member of the Federation, they may jointly organize an international congress.
Since 1931 the congresses have been organized every three years by IFATCC.
The exception were:
Congress of Stresa (Italy) 2010, held only two years after the congress in Spain, to avoid coinciding with ITMA 2011 (International Exhibition of Textile Machinery) in Barcelona as also in 2019 to avoid coinciding with ITMA 2019 again in Barcelona and 2020 due to pandemic situation worldwide.