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: 80
name: THE BIRMINGHAM (LAND REAR OF 10-20 COOMBES LANE) TPO 1971
tree-preservation-order: undefined
TPO 80
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.975390 52.393359,-1.974776 52.393211,-1.974814 52.393132,-1.973605 52.392833,-1.973104 52.393232,-1.973052 52.393247,-1.973351 52.393321,-1.973336 52.393348,-1.973455 52.393384,-1.973779 52.393468,-1.974202 52.393561,-1.974196 52.393570,-1.974497 52.393646,-1.974702 52.393352,-1.975440 52.393547,-1.975540 52.393398,-1.975390 52.393359)))
point: POINT (-1.974156 52.393251)
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.