p.23
English
Booklet.

Every person has the right to petition for a declaration of the nullity of his or her marriage.
In making such a declaration the Catholic Church states that a particular union was not a valid marriage.
Taking account of the Church's rich teaching on marriage
Stephen Gasche explains why and how in certain circumstances marriages may be annulled.
An excellent summary for those seeking advice and for those advising in a pastoral context.