This subchapter applies to an owner or operator required to provide financial assurance under Chapter 311 of this title (relating to Watershed Protection). This subchapter does not apply to state or federal governmental entities whose debts and liabilities are the debts and liabilities of a state or the United States. This subchapter establishes requirements and mechanisms for demonstrating financial assurance for reclamation and restoration.
30 Tex. Admin. Code § 37.9160