As title indicates. Amends GS 115D-12 to reduce the number of groups of trustees from four to three, deleting what was group one and doubling the number of trustees in group two (now referred to as group one), requiring that the group consist of eight trustees elected by the board of commissioners of the county in which the main campus of the institution is located. Deletes language about joint elections when the administrative area of the institution is composed of two or more counties. Makes conforming changes. Applies only to the Tri-County Community College. Applies to appointments made on or after the date the act becomes law.