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: 72
name: THE BIRMINGHAM (LAND REAR OF 88-110 SHORT HEATH ROAD, ERDINGTON) TPO 1970
tree-preservation-order: undefined
TPO 72
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.847953 52.529451,-1.848029 52.529261,-1.848182 52.529283,-1.848499 52.529291,-1.848424 52.529518,-1.848466 52.529521,-1.848551 52.529293,-1.849385 52.529309,-1.849426 52.529066,-1.848585 52.528985,-1.848280 52.528978,-1.848229 52.528953,-1.847985 52.528934,-1.847761 52.529418,-1.847953 52.529451)))
point: POINT (-1.848566 52.529165)
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.