[4] At the start of Napoleon's German campaign of 1813 he was attached to Pierre Antoine Noël Bruno, comte Daru, Intendant General of the Grande Armée.

After the capture of Dresden and the entry of the French army into Silesia he was chosen as Intendant of the Crossen Circle, and later as Receiver-General of the Grande Armée.

[4] He returned to France after the Battle of Leipzig, and was sent to Lille under Senator Jacques-Pierre Orillard de Villemanzy, extraordinary commissioner of the 16th military division.

[8] A biographer said of him, "He is a man endowed with a precious quality, he counts a bag of a thousand francs faster than one of the boys of the Bank; so he is a regent!".

[5] Grenoble was one of the first cities to obtain a branch of the Bank of France, in 1840, due to the combined efforts of Alphonse and Joseph Périer.

In 1826 he asked the general agent of the Anzin company "to arrange a kind of police that would inform him if the director, the under-director and the master foremen were doing their job.

[12] Joseph succeeded Casimir Périer as a member of the Paris Chamber of Commerce and participated in the Society for the Encouragement of National Industry.

[14] The council included Antoine Odier (President), Auguste Mimerel (Vice-President), Joseph Périer (Treasurer) and Louis-Martin Lebeuf (Secretary).

[15] During the July Revolution of 1830 Joseph Périer played a leading role in quieting a crowd that was on the point of attacking some disarmed soldiers who had taken refuge in the Foreign Ministry.

In 1832, the General Council of the Seine department appointed him member of the commission charged with examining various projects of the entrepôt réel (public warehouse) in Paris.

[4] During the July Monarchy Joseph Périer was elected on 15 November 1832 as deputy for Épernay, the 4th district of the Marne department, as a member of the conservative majority.