The Standard First Aid certification can only be recertified once. See below for the full rules surrounding the Standard First Aid course:

  1. Recertifications must be taken within 3 years of original course date;
  2. Recertifications must be taken by the same organizing body (Lifesaving Society);
  3. Recertifications have to alternate between full and recertification courses (e.g: full, recert, full, recert).