Whenever any assessment, deficit assessment or reassessment for any improvement which has been made by the district is set aside, or its enforcement restrained by any court having jurisdiction thereof, or when the district board is in doubt as to the validity of an assessment, deficit assessment or reassessment, or any part thereof, the district board may make a reassessment in the manner provided by ORS 223.405 to 223.485. [1969 c.686 §17]
Oregon Legal Code