Please refer to the following websites to ensure you have the most up to date guidelines and documentation.
Government of Canada
https://inspection.canada.ca/en/animal-health/terrestrial-animals/exports/pets/dogs-usa
US Centers for Disease Control and Prevention
https://www.cdc.gov/importation/dogs/index.html?CDC_AA_refVal=https%3A%2F%2Fwww.cdc.gov%2Fimportation%2Fdogs%2Fenter-the-us.html