 This royal order is approved in July 2, 1437 which regulated the Senior Accountants, a group of civil servants in charge of resolve economic conflicts and to reclame the money that was not paid in time.During the reign of Isabella and Ferdinand, new ordinances were granted on January 9, 1478, to put an end to the backlog of outstanding accounts since 1454, in the Crown of Castile.The Accountancy has the exclusive and absolute authority to claim, censor and fail all the accounts of the public officials that handle flows and effects.