OAR 918-470-0020
OAR 918-470-0020. Abatement of Earthquake Damaged Structures
All structures or portions of structures which as a result of earthquake are determined by the division or delegated authority to be in unsafe conditions as defined in ORS 455.010 are declared to be public nuisances and shall be abated by repair, rehabilitation, demolition or removal in accordance with 455.449.