573. The clerk or the secretary-treasurer may cause a reminder to be distributed to every person whose name is entered on the referendum list of the municipality or, as the case may be, of the sector concerned.
He shall do so in a municipality having a population of 20,000 or over.
The reminder shall contain all the particulars that must be set out in the notice of referendum poll; however, the particulars relating to polling stations may concern only the polling station where the addressee is entitled to vote.