How long are the certificates good for?

Canadian Red Cross & Heart and Stroke Foundation certificates are valid for 3 years from the date of issue (BLS 1 year expiry) and you may recertify anytime within that period. This however may differ from what your employer / school expects from you. Many worksites / schooling programs require you to take CPR annually, therefore, you must follow the requirements set out by your worksite / schooling program.