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: 592
name: THE BIRMINGHAM (LAND ADJOINING 225 COLESHILL ROAD, HODGEHILL) TPO 1992
tree-preservation-order: undefined
TPO 592
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.807917 52.497546,-1.807897 52.497441,-1.807812 52.497307,-1.807638 52.497373,-1.807590 52.497403,-1.807580 52.497420,-1.807588 52.497424,-1.807569 52.497516,-1.807572 52.497544,-1.807532 52.497595,-1.807531 52.497624,-1.807535 52.497633,-1.807917 52.497546)))
point: POINT (-1.807727 52.497477)
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.