Related Rule
Sri Lanka
Practice Relating to Rule 19. Control during the Execution of Attacks
In 2011, in its Humanitarian Operation Factual Analysis July 2006 – May 2009, Sri Lanka’s Ministry of Defence stated:
X. General Operational Procedures and Preparations to Safeguard Civilian Lives
D. Sri Lanka Air Force
237. Having a battle ready inventory in its possession and with the battle infrastructure set up, a stringent and meticulous mission execution procedure was laid down by the Sri Lanka Air Force (SLAF) in undertaking any type of offensive action.
240. All the targets were re-evaluated using imagery by Unmanned Aerial Vehicles (UAV) or other aerial reconnaissance platforms and other sources like aerial photography/ satellite images. …
242. In destroying those targets, SLAF ensured accuracy by observing high discipline and detailed procedures:
b. … Pilots were not sent if there was the slightest doubt about the identification of targets. Furthermore, the pilots were given the sole discretion of aborting an attack should the slightest doubt prevail at the time of engagement. 
Sri Lanka, Ministry of Defence, Humanitarian Operation Factual Analysis July 2006–May 2009, July 2011, §§ 237, 240 and 242(b).
The Ministry of Defence further stated: “On 18 May 2009, Sri Lanka defeated the LTTE, bringing to an end three decades of conflict and suffering.” 
Sri Lanka, Ministry of Defence, Humanitarian Operation Factual Analysis July 2006–May 2009, July 2011, § 12.