Article 13(1.Cultural property under enhanced protection shall only lose such protection:
(a)if such protection is suspended or cancelled in accordance with Article 14; or
(b)if, and for as long as, the property has, by its use, become a military objective.
(2.In the circumstances of sub-paragraph 1(b), such property may only be the object of attack if:
(a)the attack is the only feasible means of terminating the use of the property referred to in sub-paragraph 1(b);
(b)all feasible precautions are taken in the choice of means and methods of attack, with a view to terminating such use and avoiding, or in any event minimising, damage to the cultural property;
(c)unless circumstances do not permit, due to requirements of immediate self-defence:
(i)the attack is ordered at the highest operational level of command;
(ii)effective advance warning is issued to the opposing forces requiring the termination of the use referred to in sub-paragraph 1(b); and
(iii)reasonable time is given to the opposing forces to redress the situation.