If you are under the age of 18 but at least 13 years of age, you may submit Material only with the permission of, and under the supervision of, a parent or legal guardian. If you are a parent or legal guardian agreeing to these rules for the benefit of an individual at least 13 years of age but not 18 years of age, please be advised that you are fully responsible for his or her submission and any legal liability that he or she may incur.</p> <p>