The boundary changes must be submitted both to us and to the county assessor in final approved form by March 31 of the tax year in which the boundary change occurs. Boundary changes should be submitted with the Notice from Taxing Districts form.
Submit boundary change requests to us:
Cadastral Information Systems Unit
Oregon Department of Revenue
PO Box 14380
Salem OR 97309-5075
See ORS 308.225
for more information on dates.