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: 448
name: THE BIRMINGHAM (71 BRACEBRIDGE ROAD, FOUR OAKS, SUTTON COLDFIELD) TPO 1985
tree-preservation-order: undefined
TPO 448
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.840378 52.577331,-1.840341 52.577363,-1.840759 52.577547,-1.840311 52.577871,-1.840993 52.577950,-1.841156 52.577965,-1.841265 52.577964,-1.841356 52.577952,-1.841415 52.577934,-1.841481 52.577900,-1.841552 52.577844,-1.841598 52.577773,-1.841610 52.577714,-1.841605 52.577674,-1.841576 52.577619,-1.841499 52.577527,-1.841328 52.577351,-1.840850 52.576931,-1.840378 52.577331)))
point: POINT (-1.840978 52.577542)
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.