Related Rule
Chile
Practice Relating to Rule 64. Conclusion of an Agreement to Suspend Combat with the Intention of Attacking by Surprise the Adversary Relying on It
Chile’s Code of Military Justice (1925) punishes “anyone who, without justification, continues hostilities after having received the official information that peace, armistice or truce has been agreed with the enemy, violates any of these agreements or a capitulation”. 
Chile, Code of Military Justice, 1925, Article 260.