Related Rule
Syrian Arab Republic
Practice Relating to Rule 23. Location of Military Objectives outside Densely Populated Areas
In 1996, the Monitoring Group on the Implementation of the 1996 Israel-Lebanon Ceasefire Understanding, consisting of France, Israel, Lebanon, the Syrian Arab Republic and the United States, pleaded with combatants to respect the precautionary measure of separating military objectives from densely populated areas, re-emphasizing that artillery fired from populated areas endangered civilians. The Monitoring Group also asked combatants to take all necessary precautions during military operations launched from the vicinity of populated areas. 
Monitoring Group on the Implementation of the 1996 Israel-Lebanon Ceasefire Understanding, Fourth and fifth meetings, 22–25 September and 14–18 October 1996.
The Report on the Practice of the Syrian Arab Republic asserts that the Syrian Arab Republic considers Article 58 of the 1977 Additional Protocol I to be part of customary international law. 
Report on the Practice of the Syrian Arab Republic, 1997, Chapter 1.7.