 The First President and the two Presidents, became "Président à mortiers" in the Parliament.The "Chambre des Comptes of Pau" and the "Chambre des Comptes of Nérac" were created at the same time by Henry II of Navarre on ,

The "Chambre des Comptes in Pau" was given responsibility for Lower Navarre, Béarn, the County of Foix and Bigorre, the Viscounties of Marsan, Turson, Gavardon and the Barony of Captieux, the Viscounties of Lautrec and Nébouzan, the Barony of After-Villemure, and the four valleys of the Aure.It was reconfirmed and authorized by his successor, Antoine of Navarre, on , who made at the same time a number of laws to set out the powers of the officers, not only for the Chambre des Comptes in Pau, but also for those of Nérac and Vendôme.