After the establishment of a regional library area or regional library, as provided for in this article, the county court, legislative body of any city or town, the board of Education of any county, or any other governing body of any political subdivision of this state, already maintaining a public, school or county library, may notify the West Virginia Library Commission and such county, city or town, or other subdivision library may be transferred to, leased to, or used by said Library Commission for regional library purposes under such terms as may be mutually agreed upon between the said Library Commission and the respective county courts, legislative bodies of cities or towns, boards of education, or governing bodies of other political subdivisions.