Tex. Health & Safety Code § 295A.153

To the extent any provision or procedure under this chapter causes a mandatory payment authorized under this chapter to be ineligible for federal matching funds, the board may provide by rule for an alternative provision or procedure that conforms to the requirements of the federal Centers for Medicare and Medicaid Services. A rule adopted under this section may not create, impose, or materially expand the legal or financial liability or responsibility of the district or an institutional health care provider in the district beyond the provisions of this chapter. This section does not require the board to adopt a rule.