The Pope made the change because, he said, the problems to be addressed with the Society of St. Pius X were essentially doctrinal in nature.

They are linked to the Society of St. Pius X which has not recognized the authority of the Second Vatican Council.

A notable exception is the Society of St. Pius X, a grouping of traditionalist priests, founded in the 1970s.

There have been several controversies surrounding the Society of St. Pius X, many of which concern political support for non-democratic regimes and alleged antisemitism.

In 1998, he returned to Switzerland once again as District Superior of the Society of St. Pius X in that country.

In 2004, he was named District Superior for the Society of St. Pius X in Germany.

The Society of St. Pius X has been criticized for anti-Semitism in remarks its leaders have made about the Holocaust.

In 2009, it was announced that he would participate in the doctrinal discussions between the Society of St. Pius X and the Holy See.

The Society of St. Pius X ordered Williamson to find a new lawyer under threat of expulsion.

The founders of the institute seceded in 1985 from the Society of St. Pius X under the leadership of Fr.