Article Annexe III-20 B (art. A322-101) of the French Sports Code
CONDITIONS FOR EXPLORATION DIVING WITH TRIMIX OR HELIOX DIVE AREAS MINIMUM LEVELof divers SKILLSminimum of the guideof the group NUMBERmaximumof the group, excludingguide 0 -70 metres. Level P3 or P4 + Basic trimix qualification. Autonomy 3 Above 70 metres and up to 120 metres. Level P3 or P4 + Trimix qualification. Autonomy 3 (*) Accidental exceeding of this depth is tolerated up to a limit of 5 metres.