Related Rule
Sierra Leone
Practice Relating to Rule 9. Definition of Civilian Objects
Sierra Leone’s Instructor Manual (2007) states: “Civilian objects are those objects that are not military objectives and therefore should not be attacked.” 
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. 26.
(emphasis in original)