65.—Any authorised undertaker may by agreement and with the consent of the Board purchase, take on lease, or acquire the right to use the whole or any part of the undertaking of any person (other than the Board) engaged in the generation, supply, or distribution of electricity and such person (whether an individual, a local authority, company, or other body corporate or unincorporate) may with the consent aforesaid sell, lease, or grant the right to use the whole or any part of his undertaking to the authorised undertaker aforesaid.