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: 50
name: THE BIRMINGHAM (LAND REAR OF SHEPHERDS GREEN ROAD, ERDINGTON HALL ROAD & WHEELWRIGHT ROAD) TPO 1964
tree-preservation-order: undefined
TPO 50
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.843174 52.512424,-1.842805 52.512214,-1.842751 52.512197,-1.842631 52.512593,-1.843603 52.512720,-1.843613 52.512697,-1.843633 52.512684,-1.843206 52.512447,-1.843786 52.512095,-1.843757 52.512076,-1.843174 52.512424)))
point: POINT (-1.843069 52.512481)
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.