Canadian Aviation Regulations

404.18 When the holder of a medical certificate undergoes a medical examination by a physician referred to in paragraph 404.16(a) or (b) for the purpose of renewing his or her certificate or obtaining permission to continue to exercise the privileges of his or her permit, licence or rating, the physician shall

• (a) sign and date the medical certificate and stamp it with his or her official stamp indicating that the holder is “fit” and return the medical certificate to the holder; or

• (b) advise the holder that he or she is “unfit” and return the medical certificate to the holder.