Related Rule
Colombia
Practice Relating to Rule 59. Improper Use of the Distinctive Emblems of the Geneva Conventions
Colombia’s Instructors’ Manual (1999) states that it is a punishable offence “to use improperly insignia, flags and emblems of the Red Cross”. 
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. 31.
Colombia’s Emblem Decree (1998) provides: “All national authorities shall ensure, in all circumstances, strict respect for the norms concerning the proper use of the emblem of the Red Cross and the denomination ‘Red Cross’ and the distinctive signals.” 
Colombia, Emblem Decree, 1998, Article 11.
Colombia’s Emblem Law (2004) states:
Improper use of the emblem: Improper Use means the use of the emblem of the red cross or the term “red cross” by persons not authorized under the 1949 Geneva Conventions, their Additional Protocols and the present law, as well as the use of any sign, signal or term that constitutes a limitation or may give rise to confusion, irrespective of the purpose of such use. 
Colombia, Emblem Law, 2004, Article 11.
(emphasis in original)
Colombia’s Decree No. 138 (2005) states:
Improper use of the emblem: This refers to the utilization of the protective emblem of the Red Cross or the term “Red Cross” by personnel not authorized under the 1949 Geneva Conventions, its Additional Protocols, Law 875 of 2004 and the present decree, as well as the use of any other sign, signal or term that constitutes a limitation or that may give rise to confusion, irrespective of the objective of such use. 
Colombia, Decree No. 138, 2005, Article 2.
[emphasis in original]
In 1997, Colombia’s Council of State considered that the use of a medical vehicle for military operations was prohibited under IHL. The vehicles had been used to transport troops. The Council referred to the 1949 Geneva Conventions and to both 1977 Additional Protocols. 
Colombia, Council of State, Administrative Case No. 11369, Judgment, 6 February 1997.
In a press release issued in 1996, Colombia’s Ministry of Foreign Affairs expressed concern about the alleged misuse of the emblem. It reiterated its commitment to respect the relevant provisions of the 1949 Geneva Conventions and their 1977 Additional Protocols. 
Colombia, Ministry of Foreign Affairs, Press Release, 26 August 1996.
In a 1996 study, Colombia’s Presidential Council for Human Rights underlined the importance for a newly developed manual for the armed forces to include provisions such as the following: “Penal or disciplinary sanctions shall be established [and] imposed on members of the public forces for the improper use of the emblem of the Red Cross.” 
Colombia, Presidential Council for Human Rights, Investigación académica sobre medidas nacionales de aplicación del Derecho Internacional Humanitario, 1996, p. 55, Report on the Practice of Colombia, 1998, Chapter 2.8.