 Pope John Paul II appointed him on 5 February 1979 as the Titular Archbishop of Sesta and Apostolic Pro-Nuncio to Malawi and Zambia.He was consecrated on 24 February by Cardinal Jean-Marie Villot with co-consecrators Cardinal Agostino Casaroli and Archbishop Duraisamy Simon Lourdusamy.On 3 May 1985 Zur was appointed the Apostolic Nuncio to Paraguay.