ORS 523.310: Errors in assessment.

Claimed errors in the calculation of assessments shall be called to the attention of the secretary of the district, who shall determine whether there has been an error in fact. If the secretary finds that there has been an error in fact, the secretary shall recommend to the district board an amendment to the assessment ordinance to correct the error. Upon enactment of the amendment, the secretary shall make the necessary correction in the lien docket and send a correct notice of assessment by registered or certified mail.