Related Rule
Ireland
Practice Relating to Rule 39. Use of Cultural Property for Military Purposes
Ireland’s Geneva Conventions Act (1962), as amended in 1998, provides that any “minor breach” of the 1977 Additional Protocol I, including violations of Article 53, as well as any “contravention” of the 1977 Additional Protocol II, including violations of Article 16, are punishable offences. 
Ireland, Geneva Conventions Act, 1962, as amended in 1998, Section 4(1) and (4).
Upon ratification of the 1977 Additional Protocol I, Ireland stated:
It is the understanding of Ireland in relation to the protection of cultural objects in Article 53 that if the objects protected by this Article are unlawfully used for military purposes they will thereby lose protection from attacks directed against such unlawful military use. 
Ireland, Declarations and reservations made upon ratification of the 1977 Additional Protocol I, 19 May 1999, § 10.
[emphasis added]