(1) The Governor-General may, by Order in Council, in accordance with a recom- mendation of the Minister, amend Schedule 1, Schedule 2, Schedule 3, and Schedule 4, by doing any 1 or more of the following to any 1 or more of those schedules: (a) adding the name or description of any substance, preparation, mixture, or article to a schedule; or (b) removing the name or description of any substance, preparation, mix- ture, or article from a schedule; or (c) moving the name or description of any substance, preparation, mixture, or article from one schedule, or Part or clause of a schedule, and insert- ing that name or description in another schedule, or Part or clause of a schedule.