Article 19 Agreements with Railtrack
The undertaker and Railtrack may enter into, and carry into effect, agreements for the transfer to the undertaker of—
any railway property shown on the land plans and described in the book of reference;
any lands, works or other property held in connection with any such railway property; and
any rights and obligations (whether or not statutory) of Railtrack relating to any railway property.
Where agreement is made for the transfer to the undertaker of any railway of Railtrack under paragraph (1) above, or the undertaker otherwise purchases any such railway or sufficient rights therein, the undertaker may adapt for use (including, where required, duplications of any existing rails), maintain, use and work that railway as part of the authorised transit system.