The article contains proposals for a new regulations of relations between the Polish and the Holy See, which is related with a new interpretation of art. 25. 4 Constitution of Poland. The new law should be called “the Agreement” not “Concordat” and should be different from the current (concordat) regulations. On the other hand, postulated by the author the Agreement should include issues not governed in the concordat of 1993 relating to the Catholic Church in the Polish Army and Border Guard. The basis for the proposals of a new bilateral adjustment is critical analysis of historical, political and legal aspects of relations between the Polish-Vatican.