Series Title (Agency Series #): Description, Retention (Legal Citation)

Ratio Report (DART12-002): Used to report appraisal values between reappraisals of property to the Department of Revenue and to maintain a historical record of this analysis. Information on report may include property sales by neighborhood or reappraisal areas, ration of sales to property values, previous study statistics, and individual sales listings.
Retention: Retain permanently. (MOAR 166-150-0015(18))

Ratio Study Working Files (DART12-001): Used to update appraisal values in the TSG system between reappraisals of property. It is also used to prepare the annual Ratio Report. May include sales data cards, sales verifications, spreadsheets, and supporting documents.
Retention: 6 years after annual report completed. (MOAR 166-150-0015(18))