Except as otherwise delegated or restricted by ordinance, the county assessor shall have all the powers, authorities and duties granted to and imposed upon an assessor by state law; provided however, that the County Council shall not authorize any cancellation, correction, petition or claim brought pursuant to chapter 84.48 RCW, or chapter 84.68 RCW, or chapter 84.69 RCW, or any part thereof, for more than three years preceding the year in which the error is discovered or after the due date of the payment sought to be refunded. (Added by Ord. 01-031, May 9, 2001, Eff date May 20, 2001; Amended by Ord. 17-005, Feb. 8, 2017, Eff date Feb. 19, 2017).