Related Rule
Ireland
Practice Relating to Rule 153. Command Responsibility for Failure to Prevent, Punish or Report War Crimes
Upon ratification of the 1977 Additional Protocol I, Ireland stated: “The word ‘feasible’ means that which is practicable or practically possible, taking into account all circumstances at the time, including humanitarian and military considerations.” 
Ireland, Declarations and reservations made upon ratification of the 1977 Additional Protocol I, 19 May 1999, § 6.