Canon 194

Can. 194 §1. The following are removed from an ecclesiastical office by the law itself:
1° a person who has lost the clerical state;
2° a person who has publicly defected from the Catholic faith or from the communion of the Church;
3° a cleric who has attempted marriage even if only civilly.

Can. 194 §2. The removal mentioned in nn. 2 and 3 can be enforced only if it is established by the declaration of a competent authority.