The Concordat of 11 June 1817 was a concordat between the kingdom of France and the Holy See, signed on 11 June 1817. Not having been validated, it never came into force in France and so the country remained under the regime outlined in the Concordat of 1801 until the 1905 law on the Separation of the Churches and the State.
Representing Pope Pius VII was cardinal Ercole Consalvi, who had already negotiated the 1801 Concordat and was designated the plenipotentiary for the 1817 negotiations. King Louis XVIII of France chose his ambassador to Rome and favourite, the Comte de Blacas, who has previously served as the Prime Minister of France.
The Concordat's introduction (1st article) was a repetition of that of the Concordat of Bologna, but the other articles laid down restrictions on this "re-establishment" of the Concordat of Bologna.
One of the accord's objectives was to increase the number of dioceses in France. Another important article (article 4) stipulated that the bishoprics in the kingdom of France suppressed by the bull of the Holy See of 29 November 1801 were to be reestablished in such a number as both sides would agree on as the most advantageous for the good of religion.
(*)In italics, bishoprics elevated to the rank of archbishoprics.
(**)In bold, bishoprics and archbishoprics created or re-established.