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: 65
name: THE BIRMINGHAM (BUNBURY ROAD, HOLE LANE, NORTHFIELD) TPO 1967
tree-preservation-order: undefined
TPO 65
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.956671 52.415233,-1.956872 52.415040,-1.956929 52.414959,-1.956935 52.414912,-1.956870 52.414860,-1.956805 52.414838,-1.956741 52.414835,-1.956411 52.414858,-1.956392 52.415040,-1.956348 52.415040,-1.956335 52.415198,-1.956671 52.415233)))
point: POINT (-1.956618 52.415022)
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.