|Code of Canon Law|
IntraText - Text
Can. 1584 A presumption is a probable conjecture about an uncertain matter; a presumption of law is one which the law itself establishes; a human presumption is one which a judge formulates.
Can. 1585 A person who has a favorable presumption of law is freed from the burden of proof, which then falls to the other party.
Can. 1586 The judge is not to formulate presumptions which are not established by law unless they are directly based on a certain and determined fact connected with the matter in dispute.