The board of alderpersons is authorized to sell, lease (as lessor), or discontinue the electric power distribution system owned by the Town of Landis upon such terms and conditions as the board deems best; provided, however, that the electric power distribution system owned by the town shall not be sold, leased to another, or discontinued unless the proposal to sell, lease, or discontinue is first submitted to a vote of the qualified voters of the Town of Landis and is approved by a majority of those who vote thereon.