More difficult to reach was an agreement from the Warmian chapter, and the objections of szlachta delayed the final approval of this nomination in the Sejm until 1631.

The prince never visited his diocese, it was governed in his name by the suffragan bishop Michał Działyński, archdeacon of Warsaw Jakub Wierzbipięta Borzuchowski and canon of Warmia, Paweł Piasecki.

The cathedral at Frauenburg (Frombork) was enriched by the gifts from Jan Albert that included liturgical robes and a golden statue of Saint Andrew.

On 20 November 1632 Vasa received the office of Prince Bishop of Cracow (after the death of Andrzej Lipski); he performed his duties in person from 27 February 1633.

Jan Albert died in Italy in 1634 at Padua, where he was likely sent by his brother, King Wladislaw IV Waza with a diplomatic mission.