French Federation of Speleology 10 years, named the "Bulletin of the CNS". Simultaneously, the SSF ceased publication of its periodical bulletin to provide its official information bulletin in the new "CNS". From 1952, cave training courses were organised in partnership with the Ministry of Youth Affairs and Sports. From 1953, Guy Lavaur organised cave diving activities. In conjunction with the Fédération nationale de sauvetage (National Rescue Federation), a certificate of first degree fitness was created in 1954. The first International Congress of Speleology was held in Paris from 7–12 September 1953 under the patronage of the Minister of National Education, as well as the
French Federation of Speleology of speleology within the (CNRS). On 28 May 1948, Jeannel met in Paris with the presidents of the clubs known to cavers as well as various eminent speleologists, under the auspices of the CNRS. This was the birth of the (CNS), whose headquarters was established at the Muséum national d'Histoire naturelle in Paris. The CNS consisted of the chairpersons of speleological organisations and some exceptional personalities who had "contributed in particular, for their work in the development of French caving". The inaugural committee comprised 21 organisation representatives or individuals, most of whom were scientists. Among the members was Robert de