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: 274
name: THE BIRMINGHAM (PARK AVENUE) TPO 1966
tree-preservation-order: undefined
TPO 274
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.921610 52.498640,-1.921765 52.498655,-1.921764 52.498665,-1.921882 52.498670,-1.922058 52.498699,-1.922411 52.498723,-1.922420 52.498429,-1.922402 52.498410,-1.922375 52.498160,-1.921559 52.498228,-1.921596 52.498426,-1.921610 52.498640)))
point: POINT (-1.922019 52.49844)
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.