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Recommendation 8: The Real Property Tax Division should deploy its appraisers <br /> on a task, property type, and a market area basis, rather than the current geographically <br /> based zone basis. <br /> Recommendation 9: The Real Property Tax Division should state performance <br /> expectations clearly and institute the necessary internal controls to provide assurance <br /> that performance is in line with standards. <br /> Recommendation 10: The Real Property Tax Division should assess the interest and <br /> needs of appraisers in further education in mass appraisal and property tax administration <br /> and develop a program to offer courses designed to meet those needs. Consider <br /> establishing continuing education programs for appraisers. <br /> Recommendation 11: The Council should provide the Real Property Tax Division <br /> with funds to upgrade the current version of the ias system. That the Division develop <br /> a plan to fully incorporate spatial analyses and other GIS capabilities in its operations <br /> and that oblique imagery be reviewed as part of the Division' s property inspection <br /> program. <br /> Recommendation 12: The Council should require the Finance Department to conduct <br /> a review of IAAO ratio study performance standards and adopt standards for appraisal <br /> level and both horizontal and vertical uniformity. Consider dedicating appraisal staff <br /> resources to correcting deficiencies when they are discovered. <br /> Recommendation 13: The Real Property Tax Division should consider and implement <br /> a more definitive system for reviewing sales deemed invalid. This is needed to ensure <br /> consistent decision- making regarding determination of sales validity. <br /> Recommendation 14: Ratio studies conducted by the Real Property Tax Division <br /> should include procedures for identifying and, possibly, trimming outlier ratios. Such <br /> procedures may be modeled after those found in the IAAO Standard on Ratio Studies. <br /> Recommendation 15: Except when too few sales are available, the Real Property <br /> Tax Division should do ratio study analysis by market area and by each appraisal <br /> area or appraiser. Results should be discussed with all appraisal staff and plans of <br /> action developed to correct deficiencies. Ratio studies should also be considered and <br /> attempted for commercial properties. <br /> Recommendation 16: The Division should add missing statistical and graphical <br /> elements, such as histograms, lists of trimmed sales, and reliability statistics to enable <br /> 6 <br />