§1. A marriage entered into by two non-baptized persons is dissolved by means of the pauline privilege in favor of the faith of the party who has received baptism by the very fact that a new marriage is contracted by the same party, provided that the non-baptized party departs.
§2. The non-baptized party is considered to depart if he or she does not wish to cohabit with the baptized party or to cohabit peacefully without aVront to the Creator unless the baptized party, after baptism was received, has given the other a just cause for departing.
Source: Code of Canon Law (Vatican.va)