He therefore reinstituted the parlement in its ancient right of remonstrance (suspended since the declarations of 1667 and 1673), and handed over ministerial power to the nobility, replacing the secretaries of state by six councils composed in part of great nobles, on the advice of the famous duc de Saint-Simon.
Returning to Paris in 1838, he refused a proffered chair at the College de France, but in 1848, the oath having been suspended, he resumed his post at the Ecole Polytechnique, and when the oath was reinstituted after the coup d'etat of 1851, Cauchy and Arago were exempted from it.
Both the cleaning and inspection are free of charge, and can be performed even if the agreement has lapsed (though it cannot be reinstituted).