Article R1333-158 of the French Public Health Code
I.-Any holder of radioactive sources, accelerators or electrical equipment emitting ionising radiation subject to one of the regimes mentioned in Articles L. 1333-8 or L. 1333-9 shall have an inventory of the radioactive sources, accelerators or electrical equipment emitting ionising radiation that it holds, enabling it to provide permanent proof of their origin and location. II – The person responsible for the nuclear activity sends a copy of the inventory…