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: 573
name: THE BIRMINGHAM (TESSALL LANE, NORTHFIELD) TPO 1991
tree-preservation-order: undefined
TPO 573
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.981018 52.400195,-1.980938 52.400027,-1.980834 52.399800,-1.980794 52.399717,-1.980755 52.399628,-1.980746 52.399611,-1.980744 52.399604,-1.980598 52.399286,-1.980437 52.398940,-1.979871 52.399408,-1.979312 52.399866,-1.978640 52.400426,-1.978334 52.400677,-1.979333 52.401079,-1.979654 52.401211,-1.979700 52.401234,-1.979780 52.401254,-1.979849 52.401283,-1.979986 52.401154,-1.980146 52.401007,-1.980596 52.400584,-1.981018 52.400195)))
point: POINT (-1.979851 52.400244)
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.
entry-date: 2026-06-25
start-date
end-date

Your data is missing a tree-preservation-order.

The Tree preservation zone guidance explains how to fix the issue:

The reference for the tree preservation order that covers this zone.