Related Rule
Colombia
Practice Relating to Rule 109. Search for, Collection and Evacuation of the Wounded, Sick and Shipwrecked
Colombia’s Circular on Fundamental Rules of IHL (1992) provides that the “parties to the conflict shall collect and assist the wounded and sick in their power”. 
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, § 3.
Colombia’s Basic Military Manual (1995) states: “The wounded and sick must be collected”. 
Colombia, Derecho Internacional Humanitario – Manual Básico para las Personerías y las Fuerzas Armadas de Colombia, Ministerio de Defensa Nacional, 1995, p. 28.
Colombia’s Instructors’ Manual (1999) provides: “The wounded, sick and shipwrecked shall be collected”. 
Colombia, Derechos Humanos & Derecho Internacional Humanitario – Manual de Instrucción de la Guía de Conducta para el Soldado e Infante de Marina, Ministerio de Defensa Nacional, Oficina de Derechos Humanos, Fuerzas Militares de Colombia, Santafé de Bogotá, 1999, p. 24.
Colombia’s Soldiers’ Manual (1999) provides that wounded enemy combatants shall be collected. 
Colombia, Derechos Humanos & Derecho Internacional Humanitario – Guía de Conducta para el Soldado e Infante de Marina, Ministerio de Defensa Nacional, Oficina de Derechos Humanos, Fuerzas Militares de Colombia, Santafé de Bogotá, 1999, p. 20.
Colombia’s Penal Code (2000) provides for the punishment of “anyone who, during an armed conflict, … abandons the wounded and sick”. 
Colombia, Penal Code, 2000, Article 145.
In 2005, in the Constitutional Case No. C-203/05, the Plenary Chamber of Colombia’s Constitutional Court stated:
In accordance with [Article 3 common to the four Geneva Conventions of 1949] … , in cases of non-international armed conflicts in the territory of one of the Parties, each party to the conflict shall be bound to apply certain minimum guarantees without affecting their legal status as parties to the conflict, including: … The wounded and sick shall be collected and cared for. 
Colombia, Constitutional Court, Constitutional Case No. C-203/05, Judgment of 8 March 2005, § 5.4.2.2.
In 2007, in the Constitutional Case No. C-291/07, the Plenary Chamber of Colombia’s Constitutional Court stated:
Taking into account … the development of customary international humanitarian law applicable in internal armed conflicts, the Constitutional Court notes that the fundamental guarantees stemming from the principle of humanity, some of which have attained ius cogens status, … [include] the obligation to collect … the wounded and sick. 
Colombia, Constitutional Court, Constitutional Case No. C-291/07, Judgment of 25 April 2007, p. 112.
[footnote in original omitted]