Any law student who has successfully completed one-half of the legal studies required for graduation from any school of law from which a graduate is eligible under this rule to take the Tennessee bar examination may, with the written approval of the Supreme Court of Tennessee, provide legal services to, and/or may appear in any municipal, county, or state court on behalf of, any person or entity financially unable to afford counsel or on behalf of the state of Tennessee or of any municipal or county government; provided, however, that the law student is participating in a law school clinical program, furnishing assistance through a legal aid program, or serving as an assistant to a District Attorney, Public Defender, the State's Attorney General, the general counsel of any state agency, or a county or municipal legal director's office, and that the law student is under the immediate and personal supervision of a member of the law school's faculty, a licensed legal aid attorney, a District Public Defender or designated Assistant District Attorney General, a District Public Defender or designate Assistant District Public Defender, the Attorney General of Tennessee or any assistant in his or her office, the general counsel of any state agency or any staff attorney in his or her office, or the director of a county or municipal legal office or designated staff attorney.