Article R4461-27 of the French Labour Code
I. – Only workers holding a certificate of aptitude for hyperbaric conditions issued following training provided in accordance with the conditions laid down in this section may work in hyperbaric environments. II. – Only workers holding a certificate issued for this purpose following training provided under the conditions laid down in this section may perform the duties of hyperbaric prevention advisor referred to in Article R. 4461-4. III. – The…