Paragraph 16

Network Rail must, on receipt of a request from TfL, from time to time provide TfL free of charge with written estimates of the costs, charges, expenses and other liabilities for which TfL is or will become liable under this Part of this Schedule (including the amount of the relevant costs mentioned in paragraph 15) and with such information as may reasonably enable TfL to assess the reasonableness of any such estimate or claim made or to be made under this Part of this Schedule (including any claim relating to those relevant costs).