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: 418
name: THE BIRMINGHAM (LAND FRONTING ASH TREE ROAD/PERSHORE ROAD/CHARLOTTE ROAD, STIRCHLEY) TPO 1983
tree-preservation-order: undefined
TPO 418
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.923304 52.422516,-1.921898 52.422640,-1.921976 52.422971,-1.921486 52.423017,-1.921591 52.423489,-1.921614 52.423497,-1.923163 52.423363,-1.923365 52.424087,-1.924656 52.423817,-1.924888 52.423748,-1.923757 52.422938,-1.923304 52.422516)))
point: POINT (-1.92313 52.423243)
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.