Related Rule
Colombia
Practice Relating to Rule 104. Respect for Convictions and Religious Practices
Colombia’s Circular on Fundamental Rules of IHL (1992) provides: “Captured combatants and civilian persons who are under the power of the adverse party have the right to respect … for their convictions”. 
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, § 4.
Colombia’s Basic Military Manual (1995) states: “A means to guarantee the rights of non-combatants is to respect their convictions and beliefs.” 
Colombia, Derecho Internacional Humanitario – Manual Básico para las Personerías y las Fuerzas Armadas de Colombia, Ministerio de Defensa Nacional, 1995, p. 21.
It further provides that it is a duty of the parties to the conflict “to permit religious practices”. 
Colombia, Derecho Internacional Humanitario – Manual Básico para las Personerías y las Fuerzas Armadas de Colombia, Ministerio de Defensa Nacional, 1995, p. 28.
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 respect the convictions and religious practices of civilians and persons hors de combat. 
Colombia, Constitutional Court, Constitutional Case No. C-291/07, Judgment of 25 April 2007, p. 112.
[footnote in original omitted]