 On June 18, 1770 the Viceroy Croix appointed Pedro Antartica as interim mayor of Sonora and operating the Intendency of Arizpe under subordination of the governor of Sonora and Sinaloa until both administrative offices were unified in 1777, remaining Corbalán in these functions until 1787.As part of the so-called Bourbon reforms on December 4, 1786, King Charles III of Spain signed the "Royal Ordinance of Army mayors and province of New Spain" that created twelve intendencies in the Viceroyalty of New Spain, replacing by parties the districts, major municipalities and other provincial jurisdictions.The viceroy was confirmed in all its powers, but had to leave the affairs of the Royal Treasury in the hands of a deputy superintendent of "Real Property" which depended on 11 provincial governors.