http://www.legislation.gov.uk/asc/2025/4/section/18/enactedDisused Mine and Quarry Tips (Wales) Act 20252025-10-07enKing's Printer of Acts of Parliament PART 2CHAPTER 2 18 1 Before carrying out a full assessment in relation to a disused tip, the Authority must give a notice to every owner and every occupier of land to which access is required for the purposes of the assessment. 2 The notice must— a state that the Authority has arranged a full assessment in relation to the tip;‍ b explain that access to the land may be needed to carry out the assessment; c specify the date on which access to the land may be needed (which must not be less than 14 days after the date on which the notice is given); d state that the Authority may, unless the land is Crown land, apply for a warrant to enter the land under section 67 if access is refused.