California Code, Business and Professions Code - BPC § 18897.73

(a) Every agent contract, endorsement contract, or professional sports services contract entered into by a student athlete shall contain, in close proximity to the signature of the student athlete, a notice in at least 10-point boldface type stating:

“WARNING TO THE STUDENT ATHLETE:  WHEN YOU SIGN THIS CONTRACT, YOU LIKELY WILL IMMEDIATELY AND PERMANENTLY LOSE YOUR ELIGIBILITY TO COMPETE IN INTERSCHOLASTIC OR INTERCOLLEGIATE SPORTS.  YOU MUST GIVE THE PRINCIPAL, PRESIDENT, OR OTHER CHIEF ADMINISTRATOR OF YOUR EDUCATIONAL INSTITUTION WRITTEN NOTICE THAT YOU HAVE ENTERED INTO THIS CONTRACT WITHIN 72 HOURS, OR BEFORE YOU PRACTICE FOR OR PARTICIPATE IN ANY INTERSCHOLASTIC OR INTERCOLLEGIATE SPORTS EVENT, WHICHEVER OCCURS FIRST.  DO NOT SIGN THIS CONTRACT UNTIL YOU HAVE READ IT AND FILLED IN ANY BLANK SPACES.  YOU MAY CANCEL THIS CONTRACT BY NOTIFYING THE ATHLETE AGENT, OR OTHER PARTY TO THIS CONTRACT, IN WRITING OF YOUR DESIRE TO CANCEL NOT LATER THAN THE 15TH DAY AFTER THE DATE YOU SIGN THIS CONTRACT.  HOWEVER, EVEN IF YOU CANCEL THIS CONTRACT, THE FEDERATION OR ASSOCIATION TO WHICH YOUR EDUCATIONAL INSTITUTION BELONGS MAY NOT RESTORE YOUR ELIGIBILITY.”

(b) This section shall not apply to a contract described in subdivision (a) that meets all of the following requirements:

(c) This section does not preclude an educational institution from adopting and enforcing stricter policies, rules, or regulations addressing athlete agent solicitations or athlete agent interactions with student athletes attending their institution.