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: 283
name: THE BIRMINGHAM (KYLE HOUSE 18 BRACEBRIDGE ROAD, FOUR OAKS) TPO 1979
tree-preservation-order: undefined
TPO 283
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.840521 52.578560,-1.841070 52.578214,-1.841091 52.578194,-1.841112 52.578157,-1.841109 52.578135,-1.841090 52.578106,-1.841061 52.578084,-1.841009 52.578072,-1.839882 52.577944,-1.839843 52.577952,-1.839777 52.577946,-1.839756 52.577930,-1.839707 52.577925,-1.839549 52.578430,-1.839625 52.578490,-1.840161 52.578789,-1.840521 52.578560)))
point: POINT (-1.840232 52.5783)
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.