Any student who has successfully completed two-thirds of the academic hour requirement for the first degree in law at an approved law school and is participating in a law school sponsored clinic, intern, extern, or public service program may provide legal services to, and may appear in any proceeding in any court of this state on behalf of any person financially unable to employ counsel, or, on behalf of the Commonwealth or the United States' Attorney; and any student who has successfully completed two-thirds of the academic hour requirements for the first degree in law may provide legal advice, counseling and negotiation services to a college or university student, regardless of that student's financial status, pursuant to an approved law school clinical program...