Parliament had the constitutional responsibility to elect the king and to perform the function of body guaranteeing the proper conduct of ordinary justice exercised by executioners, judges, notaries and other officials of the kingdom.
O Parlamento, constitucionalmente, tiña as competencias de elixir ao rei, e de ser o órgano garante do correcto funcionamento da xustiza ordinaria exercida por verdugos, xuíces, notarios e outros oficiais do Reino.