Tex. Loc. Gov't Code § 135.160

Money allocated under Section 135.102 to the public probate administrator fund maintained in the county treasury as required by Section 135.151 may be used by a county only to support the office of public probate administrator established under Chapter 455, Estates Code. A county that does not appoint a public probate administrator subject to Chapter 455, Estates Code, shall deposit the money to the court-initiated guardianship fund.