 He was promoted to archbishop on 26 May 1982.He was named Pro-President of the Pontifical Commission for the Authentic Interpretation of the Code of Canon Law on 18 January 1984.Pope John Paul II made him a cardinal during the Consistory of 25 May 1985, and two days later appointed him the first President of the Pontifical Commission for the Authentic Interpretation of the Code of Canon Law, later known as the Pontifical Council for Legislative Texts.