A student in a law school approved by the American Bar Association, who has complete at least one-half of the required credits, may be certified by the dean of the school to be eligible to perform the services may counsel and advise clients, negotiate in the settlement of claims, represent clients in mediation and other nonlitigation matters, and engage in the preparation and drafting of legal instruments. He/She may also appear in the trial courts, courts of review and administrative tribunals of this State, including court-annexed arbitration and mediation.