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: 68
name: THE BIRMINGHAM (32 MEADOW HILL ROAD, KINGS NORTON) TPO 1968
tree-preservation-order: undefined
TPO 68
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.940093 52.408259,-1.940144 52.407970,-1.940631 52.408037,-1.940446 52.407935,-1.938763 52.407664,-1.938702 52.407776,-1.938571 52.407966,-1.938584 52.407989,-1.938566 52.408017,-1.938532 52.408025,-1.938519 52.408048,-1.939423 52.408197,-1.939365 52.408319,-1.940093 52.408259)))
point: POINT (-1.939431 52.407991)
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.