19 Tex. Admin. Code § 111.51
The provisions of this subchapter shall be implemented by school districts beginning September 1, 1998, and at that time shall supersede §75.63(o), (q)-(u), and (cc) of this title (relating to Mathematics).
Source Note:The provisions of this §111.51 adopted to be effective September 1, 1998, 22 TexReg 7623.