Statutory acknowledgements are statements of cultural, spiritual, historic, and traditional associations of an iwi with a site or an area acknowledged by the Crown in Treaty of Waitangi settlement processes. They have legal weight from inclusion in Treaty claims settlement acts. The areas include land, geographical features, lakes, wetlands and coastal marine environments that the iwi is associated with. Statutory acknowledgements are only made over Crown land. Where a statutory acknowledgement relates to a river, lake, wetland or coastal area, it only applies to that part of the bed in Crown ownership or control. The purpose of the statutory acknowledgements is specified in each Claim Settlement Act, but generally includes: