Amend CSSB 841 by deleting Section 18 and adding a new Section 18 to read as follows: Amend Section 25.01, Tax Code, by adding a new Subsection (d) to read as follows: If the appraisal district determines the appraised value of a property by use of mass appraisal standards, the mass appraisal standards shall comply with the Uniform Standards of Professional Appraisal Practice.