12.5.2.1 Advertisements and Promotions After Becoming a Student-Athlete. After becoming a student-athlete, a student-athlete shall not be eligible for participation in intercollegiate athletics if the student-athlete:

(a) Accepts any remuneration for or permits the use of the student-athlete's name or picture to advertise, recommend or promote directly the sale or use of a commercial product or service of any kind; or

(b) Receives remuneration for endorsing a commercial product or service through the student-athlete's use of such product or service.