Subject to section 11 above and subsection (4) and section 17 below—
shall have the powers specified in subsection (2) below.
The powers mentioned in subsection (1) above are the powers, otherwise than in connection with a main river or the banks of such a river—
Subject to section 11 above and subsection (4) and section 17 below, an internal drainage board or local authority that desire, otherwise than in connection with a main river or the banks of such a river, to carry out any drainage works for the benefit of their district or area in lands outside that district or area shall have the same powers for that purpose as are conferred by this Act on persons interested in land which is capable of being drained or improved and desiring to carry out drainage works for that purpose.
Nothing in this section—
Where injury is sustained by any person by reason of the exercise by a drainage board or local authority of any of their powers under this section, the board or authority shall be liable to make full compensation to the injured person.
In case of dispute, the amount of the compensation payable under subsection (5) above shall be determined by the Upper Tribunal.
Any expenses incurred by an internal drainage board under subsection (3) above shall be defrayed as if the expenses had been incurred in their district.