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: 728
name: THE BIRMINGHAM (26 & 32 ST. MARY'S ROAD, HARBORNE) TPO 1995
tree-preservation-order: undefined
TPO 728
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.952531 52.454514,-1.952457 52.454290,-1.952026 52.454323,-1.951757 52.454354,-1.951194 52.454435,-1.950435 52.454562,-1.950406 52.454569,-1.950045 52.454774,-1.950193 52.455057,-1.950441 52.454982,-1.950690 52.454923,-1.950766 52.455070,-1.951066 52.455010,-1.951272 52.455457,-1.951818 52.455306,-1.952178 52.455241,-1.951893 52.454613,-1.952531 52.454514)))
point: POINT (-1.951344 52.454809)
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.