On the Montreux municipal website, locate the section for 'administrative procedures' (Démarches administratives). Within this section, find the page detailing the process for declaring a change of address (Changement d'adresse). List the primary documents or information required to complete this procedure.
Navigate to 'https://www.montreux.ch/accueil' Click on the 'Démarches administratives' link. Locate and click the link or section related to 'Changement d'adresse' (Change of address). Identify and list the main documents or information required for the change of address procedure.
Successfully navigate to the 'Démarches administratives' section on the Montreux website. Successfully access the specific page or section detailing the 'Changement d'adresse' procedure. List the key documents or information required for declaring a change of address as presented on the website.