Tex. Util. Code § 56.0231

Support to an incumbent local exchange company or cooperative provided under Section 56.023 must be reduced on December 31, 2024, to zero percent of the amount of support that the company or cooperative is eligible to receive on that date if before December 31, 2022, support to the company or cooperative had been reduced to 25 percent of the support the company or cooperative was eligible to receive.