Since the French occupation had seen the abolition of many Church institutions in the Kingdom, as well as the confiscation of much Church property and resources, it was imperative that Pope Pius VII and King Ferdinand IV reach agreement on restoration and restitution.
Given the French occupation's negative effects on the Church, including its dismantling of institutions and seizure of assets, it was essential that Pope Pius VII and King Ferdinand IV come to a resolution about restoring what had been taken from the Church.