The duties of the Supervisor of Assessment (Chief County Assessment Officer) are fixed by Illinois State statute and mandated by the Illinois property tax code. They include:Assembling township assessors for instruction on the assessment process;Preparing and maintaining tax maps and parcel ownership information;Receiving and analyzing township assessment rolls;Equalizing assessments within the county or any area therein;Applying various exemptions to homestead properties;Publishing the assessment roll for each township;Providing mailed notice to owners of property with revised assessments;Certifying assessment roll to the Board of Review;Reporting statistical abstracts to the Illinois Department of Revenue;Serving as Clerk of the Lake County Farmland Annual Review Committee; and. Serving as Clerk of the Board of Review. These duties are subject to change through the state legislative process. Knowledge Skills Abilities and Education Required A working knowledge of the Illinois Property Tax Code, particularly those areas related to the requirements and procedures for preferential assessments and Board of Review complaints; and. A working knowledge of the computer software used for the tracking of assessments and other administrative systems and applications; and. Considerable independent judgment; and. Exceptional communication skills, including the ability to present to large groups; and. Supervisory and management skills. Minimum Qualifications. The Illinois Property Tax Code specifies that to enter upon the duties of the office of Supervisor of Assessments (Chief County Assessment Officer), one must possess one of the following qualifications as certified by the individual to the County Clerk:A currently active Certified Illinois Assessing Officer designation from the Illinois Property Assessment Institute;A currently active AAS, CAE, or MAS designation from the International Association of Assessing Officers; or. A currently active MAI, SREA, SRPA, SRA, or RM designation from the Appraisal Institute. In addition, the Supervisor of Assessments (Chief County Assessment Officer) must have:At least 2 years’ experience in the field of property sales, assessments, finance, or appraisals; and. Passed an examination conducted by the Illinois Department of Revenue to determine competence to hold the office. These qualifications are subject to change through the state legislative process.