Related Rule
Practice Relating to Rule 47. Attacks against Persons Hors de Combat
Section B. Specific categories of persons hors de combat
Colombia’s Circular on the Fundamental Rules of IHL (1992) states: “It is prohibited to kill or injure an adversary who surrenders.” 
Colombia, Transcripción Normas Fundamentales del Derecho Humanitario Aplicables en los Conflictos Armados, Circular No. 033/DIPL-SERPO-526, Policía Nacional, Dirección General, Santafé de Bogotá, 14 May 1992, § 2.
Colombia’s Penal Code (2000) imposes a criminal sanction on anyone who, during an armed conflict, commits acts aimed at leaving no survivors or at killing the wounded and sick. 
Colombia, Penal Code, 2000, Article 145.
In a case against the State relative to the takeover of the Palacio de Justicia by guerrillas in 1985, a Colombian administrative court cited a document of the Colombian Ministry of Defence stating that a commander should “respect the life of the enemy who offers to surrender”. 
Colombia, Cundinamarca Administrative Court, Case No. 4010, Opinion of the Minister of Defence given before the House of Representatives, “Las fuerzas armadas de Colombia y la defensa de las institutiones democráticas”, Record of evidence.