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: 15
name: THE BIRMINGHAM (GLENAVON ROAD, KINGS HEATH) TPO 1965
tree-preservation-order: undefined
TPO 15
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.881555 52.409575,-1.881625 52.409497,-1.881666 52.409447,-1.881774 52.409326,-1.881808 52.409285,-1.881864 52.409223,-1.881959 52.409113,-1.882020 52.409047,-1.881972 52.409023,-1.881856 52.408969,-1.881730 52.408906,-1.881624 52.409030,-1.881497 52.409182,-1.881660 52.409238,-1.881434 52.409498,-1.881416 52.409517,-1.881377 52.409570,-1.881291 52.409659,-1.881436 52.409709,-1.881555 52.409575)))
point: POINT (-1.88167 52.409263)
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.
entry-date: 2026-06-25
start-date
end-date

Your data is missing a tree-preservation-order.

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

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