Tex. Ins. Code § 1252.203
(a) With respect to providing a type of coverage for which Section 1252.102 requires an extension of benefits for an individual with a total disability, a succeeding carrier replacing a previous carrier's plan that is not subject to that section must provide, subject to Subsection (b), the lesser of:
Added by Acts 2003, 78th Leg., ch. 1274, Sec. 3, eff. April 1, 2005.