Tree preservation zone

There is a problem

1000 entries with tree-preservation-order field must match the reference field in the tree preservation order dataset

reference: 302
name: THE BIRMINGHAM (LAND ADJOINING 21 BEAKES HILL ROAD, KING'S NORTON) TPO 1979
tree-preservation-order: undefined
TPO 302
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.935559 52.406263,-1.935611 52.406369,-1.935747 52.406344,-1.936036 52.406276,-1.936231 52.406218,-1.936348 52.406176,-1.936558 52.406071,-1.935480 52.405276,-1.935278 52.405636,-1.935384 52.405899,-1.935437 52.405994,-1.935472 52.406085,-1.935559 52.406263)))
point: POINT (-1.935808 52.405891)
notes: The shaded area represents those properties which fall within the outline of a Tree Preservation Order. To precisely identify trees protected by the Order, you can request a copy of the tree preservation order at the following link.
organisation
entry-date: 2025-11-30
start-date
end-date

Your dataset is missing the tree-preservation-order column.

The Tree preservation zone guidance explains how to fix the issue:

The reference for the tree preservation order that covers this zone.