Article L4341-6 of the French Public Health Code
Notwithstanding the provisions of article L. 4341-2, the ministers responsible for higher education and health, after obtaining the opinion of a committee appointed by joint decree, may authorise to continue to practise their profession, either without any limitation, or for one or more establishments or for a specific type of activity, persons who, on 1 January 1964, usually performed acts of re-education “constituting a treatment of pathological anomalies” of the…