The California Interscholastic Federation shall amend its constitution and bylaws to require, as a condition of participation in interscholastic sports, that school districts effective July 1, 2006, upon the notification provided pursuant to subdivision (b) of Section 49030, shall prohibit a pupil from participating in interscholastic high school sports, unless that pupil signs a pledge not to use anabolic steroids, as defined in Section 802 of Title 21 of the United States Code, without a prescription from a licensed health care practitioner or a dietary supplement prohibited by Section 49030 and the parent and guardian of that pupil signs a notification form regarding those restrictions.