Article R723-10 of the French Commercial code
At least twelve days before the date of counting of the votes for the first ballot, the prefect shall send the electors two electoral envelopes intended, for each ballot, to receive the ballot paper and two envelopes bearing the words “Election of the judges of the commercial court. – Postal vote”, “Jurisdiction:” and “Surname, first names and signature of the voter:”. One of the two envelopes shall also be marked…