Texas Family Code - FAM § 154.127. Partial Termination of Support Obligation

(1) the events, including a child reaching the age of 18 years or otherwise having the disabilities of minority removed, that have the effect of terminating the obligor's obligation to pay child support for that child; and

(2) the reduced total amount that the obligor is required to pay each month after the occurrence of an event described by Subdivision (1).