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: 979
name: THE BIRMINGHAM (143 - 157 RUSSELL ROAD, MOSELEY) TREE PRESERVATION ORDER 2003
tree-preservation-order: undefined
TPO 979
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.899031 52.447803,-1.898831 52.448064,-1.898783 52.448170,-1.898626 52.448587,-1.900096 52.448786,-1.900322 52.448132,-1.899216 52.447976,-1.899333 52.447644,-1.900443 52.447799,-1.900482 52.447687,-1.899372 52.447532,-1.899407 52.447426,-1.899210 52.447401,-1.899110 52.447682,-1.899079 52.447742,-1.899031 52.447803)))
point: POINT (-1.899497 52.448223)
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.