Only voters of French nationality registered, under the conditions laid down in Chapter II of Title I of Book I of the Electoral Code, on the electoral roll of the territorial authority which has decided to organise the referendum may take part in the vote and, for a local referendum decided by a municipality, nationals of a Member State of the European Union registered, under the conditions laid down in articles LO 227-1 to LO 227-5 of the same code, on the supplementary electoral lists drawn up for municipal elections.