Plastic explosives are not prohibited by the treaty .
Treaty mandates that when explosives are produced explosives are marked with a chemical taggant ( specified in the treaty 's Technical Annex ) which can facilitate future identification purposes .
Plastic explosives are not prohibited by the treaty , but it mandates that when they are produced they are marked with a chemical taggant ( specified in the treaty 's Technical Annex ) which can facilitate future identification purposes .