Article R2333-120-9 of the French General Code of Local Authorities
Before taking up their duties, the persons appointed to issue notices for payment of the post-parking charge shall take an oath before the judicial court in the place of their administrative residence or, failing that, their domicile or, in the case of agents of the contracting third party not established in France, in the place of the head office of the local authority or public establishment that has contracted with…