Article L1112-19 of the French General Code of Local Authorities
Expenses relating to the organisation of the consultation of electors constitute a compulsory expense of the territorial authority that decided on it. Expenses resulting from electoral assemblies held in communes for the organisation of a consultation decided on by another territorial authority are reimbursed to them by that authority on a flat-rate basis, by means of an allocation calculated on the basis of the number of electors registered in the…