Polish-Catholicism is the variety of the Old Catholic Church based on polish religious and cultural traditions. To simplify, Old Catholic Church is the content of teaching of the Old Catholic Churches and the whole adopted rules relating to faith, morality, religious life and the functioning of the Church. Polish-Catholic Churches recognize the origins of theirs foundation of the existence of a Polish National Catholic Church; they share a common line of apostolic succession from the Church or a common historical continuity.