Соответствующая норма
Nicaragua
Practice Relating to Rule 64. Conclusion of an Agreement to Suspend Combat with the Intention of Attacking by Surprise the Adversary Relying on It
Nicaragua’s Military Penal Code (1996) punishes any “soldier who, without justification and after official notification, violates peace, armistice, truce or capitulation agreements”. 
Nicaragua, Military Penal Code, 1996, Article 49.