Maryland Code, Business Regulation § 4-410

(a) Within 72 hours after entering into an agency contract or before the next scheduled athletic event in which the student-athlete may participate, whichever occurs first, the athlete agent shall give notice in a record of the existence of the contract to the athletic director of the educational institution at which the student-athlete is enrolled or the athlete agent has reasonable grounds to believe the student-athlete intends to enroll.

(b) Within 72 hours after entering into an agency contract or before the next athletic event in which the student-athlete may participate, whichever occurs first, the student-athlete shall inform the athletic director of the educational institution at which the student-athlete is enrolled or in which the student-athlete intends to enroll that the student-athlete has entered into an agency contract.