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: 1441
name: THE BIRMINGHAM (8 STUARTS ROAD, STECHFORD) TPO 2012
tree-preservation-order: undefined
TPO 1441
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.813330 52.478885,-1.812995 52.478738,-1.812594 52.478753,-1.812626 52.479086,-1.812677 52.479193,-1.812721 52.479222,-1.812772 52.479236,-1.812866 52.479244,-1.812929 52.479233,-1.813114 52.479065,-1.813330 52.478885)))
point: POINT (-1.812894 52.478964)
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.