Amend CSHB 4 as follows: (1) Strike the text on page 10, lines 18 and 19, and substitute the following: (c) Each approved instructional material must: (1) be free from factual errors, including errors of commission or omission related to viewpoint discrimination or special interest advocacy on major issues, as determined by the State Board of Education; and (2) comply with any instructional material content guidelines adopted by the board under Subsection (d). (d) The State Board of Education may by rule adopt guidelines that define general content standards for instructional materials under this subchapter, including standards related to curriculum requirements under Section 28.002. The board may reject any instructional material that does not comply with the instructional material content standards adopted under this subsection. (2) On page 10, line 20, strike "(d)" and substitute "(e)". (3) On page 29, between lines 8 and 9, insert the following new section, appropriately numbered, and renumber the following section accordingly: SECTION ____. Section 31.0252(c), Education Code, as added by this Act, applies only to instructional materials adopted by the State Board of Education on or after September 1, 2006.