Canon 483

Can. 483 §1. Besides the chancellor, other notaries can be appointed whose writing or signature establishes authenticity for any acts, for judicial acts only, or for acts of a certain case or affair only.

Can. 483 §2. The chancellor and notaries must be of unimpaired reputation and above all suspicion. In cases in which the reputation of a priest can be called into question, the notary must be a priest.