Related Rule
Practice Relating to Rule 64. Conclusion of an Agreement to Suspend Combat with the Intention of Attacking by Surprise the Adversary Relying on It
Peru’s Code of Military Justice (1980) punishes any soldier who “violates an armistice, a truce, … a capitulation or any other legitimate agreement concluded with another nation, or prolongs the hostilities after having received official notice of peace, truce or armistice”. 
Peru, Code of Military Justice, 1980, Article 91(2).
Peru’s Penal Code (1991) punishes any person who violates a truce or armistice. 
Peru, Penal Code as amended, 1991, Article 340.