IA HF563

Requires the Iowa Department of Revenue director to adopt property assessment standards from the International Association of Assessing Officers (IAAO), including use of coefficient of dispersion (COD) analysis and price-related differential (PRD) analysis to determine equitable assessments

Mandates assessors maintain a COD below 15.99% and PRD between 0.98 and 1.03 unless good cause exists for variance, with COD and PRD calculations based on comparisons of actual property values within the same class statewide

Requires county and city assessors to use the most recently issued state appraisal manual within two years of publication, with possible two-year extensions for demonstrated substantial hardship

Restricts conference boards from employing special counsel to assist in assessment litigation to cases where the opposing party is a legal business entity, including nonprofits, subject to approval by the city legal department or county attorney

Allows property owners to appeal assessments of other properties to the board of review or court, provided the appealed property is in a taxing district where the appealing owner also owns property of the same class