This Decree, based on the provisions of the Slovenian Veterinary Act, here declares that in order to prevent the introduction of harmful substances into the food chain in the Republic of Slovenia, the use of medicines containing horseradish (Aristolochia spp.) and its preparations, chloramphenicol, chloroform, chlorpromazine, colchicine, dapsone, dimetridazole, metronidazole, nitrofurans, including furazolidone and ronidazole – shall be officially banned.