Tex. Educ. Code § 25.113
(a) A campus or district that is granted an exception under Section 25.112(d) from class size limits shall provide written notice of the exception to the parent of or person standing in parental relation to each student affected by the exception. The notice must be in conspicuous bold or underlined print and:
(b) The notice required by Subsection (a) must be provided not later than the 31st day after:
Added by Acts 2001, 77th Leg., ch. 889, Sec. 2, eff. June 14, 2001.