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: 777
name: THE BIRMINGHAM (COLLEGE ROAD/JOCKEY ROAD, SUTTON COLDFIELD) TPO 1998
tree-preservation-order: undefined
TPO 777
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.851663 52.549132,-1.852075 52.549081,-1.852144 52.549072,-1.851812 52.548797,-1.851746 52.548749,-1.851416 52.548913,-1.851421 52.548917,-1.851193 52.549032,-1.851264 52.549173,-1.851516 52.549149,-1.851516 52.549145,-1.851663 52.549132)))
point: POINT (-1.851646 52.548995)
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.