Related Rule
Practice Relating to Rule 10. Civilian Objects’ Loss of Protection from Attack
Section B. Situations of doubt as to the character of an object
Togo’s Military Manual (1996) states: “Whenever there is a doubt concerning the nature of an objective, it must be considered as a civilian object.” 
Togo, Le Droit de la Guerre, III fascicules, Etat-major Général des Forces Armées Togolaises, Ministère de la Défense nationale, 1996, Fascicule I, p. 14.