Section III Her Majesty and Her Lessees to have Liberty to work such Minerals through the Lands of the Duchy.

It shall be lawful at all Times hereafter for Her Majesty, Her Heirs and Successors, and all and every Persons and Person who may for the Time being be entitled in right of the Crown to or to the Management of any of the said Mines and Minerals lying below Low-water Mark under the open Sea, adjacent to but not being Part of the County of Cornwall aforesaid, and for Her and their Lessees or Tenants, when and so often and so long as may be necessary for the Purposes herein-after expressed, to take or use or to pass through, over, or under any Lands for the Time being Parcel of the Soil and territorial Possessions of the said Duchy within the said County, and which Lands shall be either in the Occupation of Tenants under Leases or Agreements made subsequently to the Date of this Act, or in the Occupation of the Duke of Cornwall for the Time being, in order to make or sink any Pits, Shafts, Adits, Drifts, Levels, Drains, Watercourses, Pools, or Embankments, and to make, lay, place, use, and repair any Spoil Banks, Roads, Ways, Bridges, and Banks, and to make, erect, and repair any Lodges, Sheds, Steam and other Engines, Buildings, Works, and Machinery in, under, upon, through, over, or along the said Lands, or any Part thereof, which may from Time to Time or at any Time hereafter be required, and to do all such other Acts as may be necessary or convenient for working, searching for, digging, raising, or carrying away, dressing, or making merchantable the same Mines and Minerals, giving to the Duke of Cornwall for the Time being, and to any other Person or Persons who for the Time being may be interested in the Land so required, Two Months previous Notice thereof, stating the Nature of the Facilities required, and also making Compensation and Satisfaction to the Duke of Cornwall for the Time being, and to other the Person or Persons, if any, for the Time being interested in the said Lands so taken or used or passed through, over, under, or along in the Manner herein mentioned: Provided always, that no Pit, Shaft, Adit, Drift, Level, Drain, Watercourse, Pool, or Embankment which shall or may weaken, damage, injure, or endanger any House or other Building, shall be sunk, driven, or made, nor shall any Tramroad, Waggon, or other Way, or any Works or Machinery, be placed, laid, made, or erected, nor shall any Minerals be dressed or made merchantable within Fifty Feet of any Dwelling House, or upon any Garden or Orchard, or so as to interfere with any Mining Works or Operations for the Time being of the Duke of Cornwall for the Time being, His Lessees or Tenants.