The following is provided by the Canadian Food Inspection Agency (CFIA).
From September 28 to December 22, 2022, the Canadian Food Inspection Agency will be adding temporary conditions to Safe Food for Canadians licences for the importation of romaine lettuce from the United States, including salad mixes containing this lettuce. During this period, importers will be required to provide negative E. coli O157 test results for each shipment of romaine lettuce grown in the Salinas Valley, California.
For more information, please visit Temporary import requirements for romaine lettuce from the United States (2022).