Article R1333-148 of the French Public Health Code
I.- Access to ionising radiation sources or batches of category A, B or C radioactive sources and their transport, or access to information relating to the means or measures implemented to protect them against malicious acts, are authorised by the person responsible for the nuclear activity. The authorisation issued to a person for this purpose is personal and in writing. Persons not in possession of this authorisation may have access…