You must meet the age requirements for the course you intend to study. To study a Certificate III in Fitness (SIS30315) you must be at least 16 years old on your course commencement date. For a Certificate IV in Fitness (SIS40210) you must be at least 17 years old on your course commencement date. To study for a career in massage with AIF, you must be at least 18 years old on your course commencement date.