For example, the HS Codes 7228300090 and 7217100019 are subject to a General Import Permit (GIP 80) for Carbon Steel Customs Tariff Codes. You can find more information about this on the following website: https://www.international.gc.ca/controls-controles/report-rapports/list_liste/handbook-manuel/C2-liste-72xx.aspx?lang=eng