FIVA (the Fédération Internationale des Véhicules Anciens) is a worldwide non-profit organisation dedicated to the protection, preservation and promotion of historic vehicles. Established in 1966, it is active in more than 80 countries, representing millions of historic vehicle enthusiasts around the globe. Since 2017, FIVA has been a partner of UNESCO with consultative status, representing world motoring heritage and related culture.

You can find more information about FIVA at their website.