No manager shall enter into any contract purporting to bind a professional boxer or professional mixed martial artist under his or her management to perform services after the termination of the management relationship between them, nor shall any such boxer or mixed martial artist, while under contract to a manager, enter into a commitment, written or oral, to perform such services, without Commission approval.
N.Y. Comp. Codes R. & Regs. Tit. 19 § 209.7