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: 973
name: THE BIRMINGHAM (254-260 DOWER ROAD, 51, 53 AND 57 LITTLE SUTTON LANE AND LAND ADJOINING 47 LITTLE SUTTON LANE, SUTTON COLDFIELD) TREE PRESERVATION ORDER 2004
tree-preservation-order: undefined
TPO 973
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.822386 52.576776,-1.823228 52.576204,-1.821556 52.575260,-1.821466 52.575390,-1.821357 52.575597,-1.822172 52.575962,-1.822117 52.576077,-1.821295 52.575710,-1.821162 52.575959,-1.821703 52.576192,-1.821629 52.576334,-1.821107 52.576101,-1.821022 52.576263,-1.821050 52.576289,-1.821127 52.576322,-1.822386 52.576776)))
point: POINT (-1.822082 52.576105)
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.