The privileges of the nobility were gradually suspended after 1798, save for a revival in Lucerne and Freiburg during the Restauration from 1814 to 1831. Article 4 on equality of the 1848 Swiss federal constitution, finally made a legal end to the Swiss nobility.[1] Nowadays the titles of nobility appear neither in registry offices nor in public instruments. Sometimes they are tolerated in administrative documents and in the noble's professional life, that is to say in social relations.[2]