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: 388
name: THE BIRMINGHAM(LAND AT 25, 27 & REAR OF 29 - 33 OXFORD ROAD, MOSELEY) TPO 1982
tree-preservation-order: undefined
TPO 388
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.884503 52.443943,-1.884152 52.443702,-1.883837 52.443875,-1.883766 52.443826,-1.883676 52.443876,-1.883601 52.443826,-1.883484 52.443890,-1.883338 52.443795,-1.883343 52.443793,-1.883205 52.443695,-1.882950 52.443833,-1.882943 52.443829,-1.882637 52.444005,-1.883094 52.444289,-1.883102 52.444285,-1.883205 52.444356,-1.883358 52.444436,-1.883395 52.444416,-1.884566 52.443985,-1.884503 52.443943)))
point: POINT (-1.883555 52.444037)
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.