10-11-50 Evidence required for percentage change in assessments--Rate of change not to be fractional. 10-11-51 Certification to county auditors of percentage changes made by secretary of revenue--State levy certified. 10-11-52 Assessments not invalidated by late transmittal of certificate. 10-11-53 Correction of assessment lists to show changes made by state board--Fractional amounts. 10-11-54 Directors of equalization to report data on assessed valuation and sales to state department. 10-11-55 Annual studies by department of assessment to sales ratios. 10-11-55.1