Canon 1324

Can. 1324 §1. The perpetrator of a violation is not exempt from a penalty, but the penalty established by law or precept must be tempered or a penance employed in its place if the delict was committed: 1° by one who had only the imperfect use of reason; 2° by one who lacked the use of reason because of drunkenness or another similar culpable disturbance of mind, without prejudice to can. 1326 §1, n. 4; 3° from grave heat of passion that did not precede and hinder all deliberation of mind and consent of will and provided that the passion itself had not been voluntarily stimulated or fostered; 4° by a minor who has completed the age of sixteen years; 5° by one who was coerced by grave fear, even if only relatively grave, or due to necessity or grave inconvenience if the delict is intrinsically evil or tends to the harm of souls; 6° by one who acted for the purpose of legitimate defense against an unjust aggressor of oneself or another but did not observe due moderation; 7° against someone gravely and unjustly making provocation; 8° by one who thought in error due to his or her own negligence that one of the circumstances mentioned in can. 1323, nn. 4 or 5 was present; 9° by one who without negligence did not know that a penalty was attached to a law or precept; 10° by one who acted without full imputability provided that the imputability was grave.

Can. 1324 §2. A judge can act in the same manner if another circumstance is present that diminishes the gravity of a delict.

Can. 1324 §3. In the circumstances mentioned in §1, the offender is not bound by a latae sententiae penalty; nevertheless, for the sake of repentance or reparation of scandal, lighter penalties can be imposed or penances can be applied.