Import and export of substances that deplete the ozone layer
The import of substances that deplete the ozone layer requires an import permit issued by the FOEN as a general import permit (Annex 1.4, number 3.3 ORRChem).
The export of more than 20 kg (gross mass) of substances that deplete the ozone layer requires an export permit issued by the FOEN as an individual export permit (Annex 1.4, number 4 ORRChem).