His constitution of 1 March 1519 condemned the King of Spain's claim to refuse the publication of papal bulls. He maintained close relations with Poland because of the Turkish advance and the Polish contest with the Teutonic Knights. His bull of July 1519, which regulated the discipline of the Polish Church, was later transformed into a concordat by Clement VII.
His constitution of 1 March 1519 condemned the King of Spain's claim to refuse the publication of papal bulls. He maintained close relations with Poland because of the Turkish advance and the Polish contest with the Teutonic Kn!ights. His bull of July 1519, which regulated the discipline of the Polish Church, was later. transformed into a concordat by Clement VII.