Related Rule
Iraq
Practice Relating to Rule 10. Civilian Objects’ Loss of Protection from Attack
Section B. Situations of doubt as to the character of an object
The Report on the Practice of Iraq states that the practice adopted by the Iraqi armed forces is that in case of doubt concerning the nature of objects, they must be considered as civilian objects. 
Report on the Practice of Iraq, 1998, Reply by the Iraqi Ministry of Defence to a questionnaire, July 1997, Chapter 1.3.