|  | 
      
        |  | A BILL TO BE ENTITLED | 
      
        |  | AN ACT | 
      
        |  | relating to the calculation of interest on certain ad valorem tax | 
      
        |  | refunds. | 
      
        |  | BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS: | 
      
        |  | SECTION 1.  Section 42.43(b), Tax Code, is amended to read as | 
      
        |  | follows: | 
      
        |  | (b)  For a refund made under this section [ because an  | 
      
        |  | exemption under Section 11.20 that was denied by the chief  | 
      
        |  | appraiser or appraisal review board is granted], the taxing unit | 
      
        |  | shall include with the refund interest on the amount refunded | 
      
        |  | calculated at an annual rate that is equal to the sum of two percent | 
      
        |  | and the most recent prime rate quoted and [ auction average rate  | 
      
        |  | quoted on a bank discount basis for three-month treasury bills  | 
      
        |  | issued by the United States government, as] published by the | 
      
        |  | Federal Reserve Board as of the first day of the month in which the | 
      
        |  | refund is made [ , for the week in which the taxes became  | 
      
        |  | delinquent], but not more than a total of eight [10] percent, | 
      
        |  | calculated from the delinquency date for the taxes until the date | 
      
        |  | the refund is made.  [ For any other refund made under this section,  | 
      
        |  | the taxing unit shall include with the refund interest on the amount  | 
      
        |  | refunded at an annual rate of eight percent, calculated from the  | 
      
        |  | delinquency date for the taxes until the date the refund is made.] | 
      
        |  | SECTION 2.   The change in law made by this Act applies only | 
      
        |  | to the rate of interest on a tax refund that is made following an | 
      
        |  | appeal that is finally determined on or after the effective date of | 
      
        |  | this Act.  The rate of interest on a tax refund that is made | 
      
        |  | following an appeal that is finally determined before the effective | 
      
        |  | date of this Act is determined by the law in effect when the appeal | 
      
        |  | is finally determined, and that law is continued in effect for that | 
      
        |  | purpose. | 
      
        |  | SECTION 3.   This Act takes effect September 1, 2011. |