Thus in 1539 he represented his province at the general chapter of the Dominicans at Rome. After his return, in 1540, the Emperor Charles V offered him the See of Cuzco in Peru, but Carranza declined the appointment and continued performing his duties as lector of theology at Valladolid. He acted as censor ("cualificador") of books (including versions of the Bible) for the Inquisition. In 1540 he was nominated to the sees of the Canary Islands and of Cuzco, Peru, but declined both.