UNSC Resolutions compliance: customs must inspect and block trade linked to DPRK while protecting humanitarian shipments. Customs must enforce binding UNSC Resolutions on DPRK by inspecting cargo originating in, destined for, brokered by, or transported by DPRK-linked entities across airports, seaports and free trade zones, while minimizing impact on humanitarian shipments; importers, exporters and brokers must exercise due diligence in declaring country of origin and destination and consult Appraising Main offices or the designated Deputy Assistant Commissioner on difficulties.