(a) The provisions of this section and §§110.22-110.24 of this title shall be implemented by school districts.     
      (b) No later than August 31, 2018, the commissioner of education shall determine whether instructional materials funding has been made available to Texas public schools for materials that cover the essential knowledge and skills for English language arts and reading as adopted in §§110.22-110.24 of this title.     
      (c) If the commissioner makes the determination that instructional materials funding has been made available under subsection (b) of this section, §§110.22-110.24 of this title shall be implemented beginning with the 2019-2020 school year and apply to the 2019-2020 and subsequent school years.     
      (d) If the commissioner does not make the determination that instructional materials funding has been made available under subsection (b) of this section, the commissioner shall determine no later than August 31 of each subsequent school year whether instructional materials funding has been made available. If the commissioner determines that instructional materials funding has been made available, the commissioner shall notify the State Board of Education and school districts that §§110.22-110.24 of this title shall be implemented for the following school year.     
     Source Note:        The provisions of this §110.21 adopted to be effective September 25, 2017, 42 TexReg 4999; amended to be effective August 1, 2019, 44 TexReg 3812