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: 474
name: THE BIRMINGHAM (27 MULROY ROAD, SUTTON COLDFIELD) TPO 1986
tree-preservation-order: undefined
TPO 474
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.831331 52.570322,-1.831394 52.570317,-1.831427 52.570297,-1.831434 52.570283,-1.831431 52.570262,-1.831406 52.570228,-1.830246 52.569819,-1.830194 52.569830,-1.830231 52.570344,-1.830313 52.570366,-1.831331 52.570322)))
point: POINT (-1.83067 52.570157)
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.