997. Entry to lands to carry on survey.

Any person appointed by the local authority1, and any other person acting under the orders of such a person, and any officer or person appointed by or acting under the orders of the Ordnance Survey2 (the 'appointed person'), is authorised (written notice of intention to enter having been given to the owner or occupier) to enter any estate or property of any county, or any body politic or corporate, ecclesiastical or civil, or into and upon any land, ground, or heritages of any person or persons for the purpose of making and carrying on any survey authorised by the