Related Rule
Colombia
Practice Relating to Rule 29. Medical Transports
Section A. Respect for and protection of medical transports
Colombia’s Circular on Fundamental Rules of IHL (1992) states that the protection due to the wounded and sick “also covers, as such, … medical transports”. 
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 that “attacks, misappropriation and destruction” of medical transports constitutes a “grave breach”. 
Colombia, Derecho Internacional Humanitario – Manual Básico para las Personerías y las Fuerzas Armadas de Colombia, Ministerio de Defensa Nacional, 1995, p. 26, § 4.
Colombia’s Emblem Decree (1998) provides: “All Colombian authorities and persons must protect … transports of medicine, food and humanitarian aid in situations of armed conflict or natural disaster.” 
Colombia, Emblem Decree, 1998, Article 10.
In 2007, in the Constitutional Case No. C-291/07, the Plenary Chamber of Colombia’s Constitutional Court stated that the obligation in the 1977 Additional Protocol II to protect medical transport “has attained customary status, mainly due to its impact on State practice and on conflicts in the last decades”. 
Colombia, Constitutional Court, Constitutional Case No. C-291/07, Judgment of 25 April 2007, p. 69.