In the case of organized bodies lettres de cachet were issued for the purpose of enjoining members to assemble or to accomplish some definite act; the provincial estates were convoked in this manner, and it was by a lettre de cachet (called lettre de jussion) that the king ordered a parlement to register a law in the teeth of its own remonstrances.
The lettre de cachet belonged to the class of lettres closes, as opposed to lettres patentes, which contained the expression of the legal and permanent will of the king, and had to be furnished with the seal of state affixed by the chancellor.
It has been used to test the question whether Roman Catholic religious orders could enter India, and in 1870 an attempt was made thereby to challenge the validity of a warrant in the nature of a lettre de cachet issued by the viceroy (Ind.
SIMON NICHOLAS HENRI LINGUET (1736-1794), French journalist and advocate, was born on the 14th of July 1736, at Reims, whither his father, the assistant principal in the College de Beauvais of Paris, had recently been exiled by lettre de cachet for engaging in the Jansenist controversy.
His violent disposition now led him to quarrel with a country gentleman who had insulted his sister, and his semi-exile was changed by lettre de cachet into imprisonment in the Chateau d'If.
The affair ended by his escaping to Switzerland, where Sophie joined him; they then went to Holland, where he lived by hackwork for the booksellers; meanwhile Mirabeau had been condemned to death at Pontarlier for rapt et vol, and in May 1777 he was seized by the French police, and imprisoned by a lettre de cachet in the castle of Vincennes.