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: 445
name: THE BIRMINGHAM (LAND OFF ST. MARYS CLOSE, ACOCKS GREEN) TPO 1985
tree-preservation-order: undefined
TPO 445
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.824907 52.449226,-1.825230 52.448894,-1.825419 52.448622,-1.824992 52.448449,-1.824549 52.448218,-1.824518 52.448320,-1.824425 52.448493,-1.824411 52.448489,-1.824360 52.448593,-1.824214 52.448754,-1.824134 52.448803,-1.824241 52.448892,-1.824188 52.449024,-1.824575 52.449173,-1.824635 52.449179,-1.824662 52.449206,-1.824717 52.449228,-1.824840 52.449233,-1.824907 52.449226)))
point: POINT (-1.824749 52.448771)
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.