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: 60
name: THE BIRMINGHAM (VICTORIA ROAD & SHIRLEY ROAD, ACOCKS GREEN) TPO 1967
tree-preservation-order: undefined
TPO 60
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.824956 52.443129,-1.824992 52.443038,-1.825173 52.442457,-1.825051 52.442438,-1.824896 52.442380,-1.824863 52.442382,-1.824322 52.442562,-1.823884 52.442697,-1.824733 52.443100,-1.824956 52.443129)))
point: POINT (-1.82466 52.442736)
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.