Sec. 154.129.  ALTERNATIVE METHOD OF COMPUTING SUPPORT FOR CHILDREN IN MORE THAN ONE HOUSEHOLD.  (a)  If the obligor's monthly net resources are not greater than the amount described by Section 154.125(a) and if the obligor's monthly net resources are equal to or greater than the amount described by Section 154.125(c), in lieu of performing the computation under the preceding section, the court may determine the child support amount for the children before the court by applying the percentages in the table below to the obligor's net resources:
MULTIPLE FAMILY ADJUSTED GUIDELINES
(% OF NET RESOURCES)
Number of children before the court
(b)  If the obligor's monthly net resources are less than the amount described by Section 154.125(c), in lieu of performing the computation under the preceding section, the court may determine the child support amount for the children before the court by applying the percentages in the table below to the obligor's net resources:
LOW-INCOME MULTIPLE FAMILY ADJUSTED GUIDELINES
(% OF NET RESOURCES)
Number of children before the court
Added by Acts 1995, 74th Leg., ch. 20, Sec. 1, eff. April 20, 1995.
Amended by: 
Acts 2021, 87th Leg., R.S., Ch. 552 (S.B. 286), Sec. 5, eff. September 1, 2021.