Related Rule
Practice Relating to Rule 10. Civilian Objects’ Loss of Protection from Attack
Section B. Situations of doubt as to the character of an object
Upon signature of the 1998 ICC Statute, Egypt declared:
Civilian objects [referred to in Article 8, paragraph 2(b) of the Statute] must be defined and dealt with in accordance with the provisions of [the 1977 Additional Protocol I] and, in particular, article 52 thereof. In case of doubt, the object shall be considered to be civilian. 
Egypt, Declarations made upon signature of the 1998 ICC Statute, 26 December 2000, § 4(b).