9.—(1) Where the undertaker is required to give notice of any matter to Trinity House in accordance with this Schedule it shall give notice of that matter to MDHC and MSCC at the same time.
(2) When Trinity House does not give any direction under this Schedule MDHC (in the case of the River Mersey) or MSCC (in the case of the Manchester Ship Canal) may give a direction in its stead provided that no such direction may conflict with any direction of Trinity House.
(3) Where MDHC or MSCC gives a direction as permitted by this paragraph it shall take effect as if given by Trinity House.
(4) In this paragraph—
“MDHC” means the Mersey Docks and Harbour Company; and
“MSCC” means the Manchester Ship Canal Company.