Amend HB 670 (Committee Printing, page 1) by striking lines
5-20 and substituting the following:
      SECTION 1.  Subchapter A, Title 1, Tax Code, is amended by
adding Section 6.023, to read as follows:
      Sec. 6.023.  SINGLE APPRAISAL.  (a)  Notwithstanding any
other provision of law, property shall be appraised for ad valorem
tax purposes, only by the appraisal district established for the
county in which the property is located and all taxing units that
impose ad valorem taxes on the property shall use for all purposes
the appraisal value as determined by the appraisal district.
      (b)  Subsection (a) does not affect the authority of an
appraisal review board or court to determine a different appraised
value for the property pursuant to a protest or appeal of the
appraised value entered by a chief appraiser under Subsection (a).