Related Rule
Belgium
Practice Relating to Rule 61. Improper Use of Other Internationally Recognized Emblems
Belgium’s Teaching Manual for Officers (1994) stipulates:
It is prohibited to abuse the protective signs provided for by the [1949 Geneva] Conventions and [of the 1977 Additional Protocol I]. Example: camouflaging arms and ammunition in a vehicle or a building displaying the protective sign … of cultural property [or] of civil defence. 
Belgium, Droit de la Guerre, Manuel d’Instruction pour Officiers, Etat-Major Général, Division Opérations, 1994, Part I, Title II, p. 33.