To prohibit the operation during a calendar year of the final rule issued by the Secretary of Agriculture to establish standards for the designation of minimal-risk regions for the introduction of bovine spongiform encephalopathy into the United States, including designation of Canada as a minimal-risk region, and the importation into the United States from Canada of certain bovine ruminant products during that calendar year, unless country of origin labeling is required for the retail sale of a covered commodity during that calendar year.