 In 1984 he was promoted to Cardinal Bishop of Sabina e Poggio Morteto by Pope John Paul II; two years later he received the title of Bishop of Ostia in addition, becoming Dean of the College of Cardinals.He was President of the Administration of the Patrimony of the Holy See from 1984 to 1989.He resigned as president in 1989 and as Dean in 1993; because he ceased to be Dean, he gave up the title of Bishop of Ostia.