Related Rule
Sierra Leone
Practice Relating to Rule 88. Non-Discrimination
Section C. Wounded and sick
Sierra Leone’s Instructor Manual (2007) provides: “All obligations to the wounded and sick must be carried out without adverse distinction based on sex, race, nationality, religion, political opinions or similar criteria.” 
Sierra Leone, The Law of Armed Conflict. Instructor Manual for the Republic of Sierra Leone Armed Forces (RSLAF), Armed Forces Education Centre, September 2007, p. 38.