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: 530
name: THE BIRMINGHAM (LAND REAR OF MICHAEL DRIVE, FORMERLY PART OF SPRING COTTAGE, WELLINGTON ROAD, EDGBASTON) TPO 1988
tree-preservation-order: undefined
TPO 530
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.907599 52.462039,-1.907391 52.461914,-1.907309 52.461851,-1.907295 52.461822,-1.907203 52.461805,-1.907056 52.461706,-1.906514 52.461523,-1.906208 52.461886,-1.906742 52.462144,-1.906864 52.462241,-1.906925 52.462261,-1.906973 52.462264,-1.907599 52.462039)))
point: POINT (-1.906857 52.46191)
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.