At Open Book, the assessor is allowed to make any changes that are necessary to perfect the assessment roll. Instructional materials on appealing an assessment value to the Board of Review will be available. The deadline for proving notice of intent to object will be due to the Village Clerk's office by 5:00 PM on Tuesday, May 30, 2017. All persons who have questions or concerns to their property assessment are encouraged to contact the assessor throughout the year.