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: 209
name: THE BIRMINGHAM (WELDING TECHNICAL SERVICES LTD, PERSHORE ROAD SOUTH, KING'S NORTON) TPO 1976
tree-preservation-order: undefined
TPO 209
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.931936 52.412567,-1.932091 52.412257,-1.932103 52.412207,-1.932015 52.412183,-1.931931 52.412149,-1.931822 52.412091,-1.931402 52.411937,-1.931002 52.411817,-1.930780 52.411722,-1.930727 52.411696,-1.930837 52.411657,-1.930374 52.411427,-1.929947 52.411201,-1.929892 52.411180,-1.929822 52.411166,-1.929653 52.411169,-1.929762 52.411291,-1.929744 52.411297,-1.929910 52.411428,-1.929996 52.411512,-1.930765 52.412306,-1.930834 52.412386,-1.930874 52.412497,-1.931936 52.412567)))
point: POINT (-1.930975 52.412007)
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.