30 Tex. Admin. Code § 213.12
The person submitting an application for approval or modification of any plan under this chapter must pay an application fee in the amount set forth in § 213.14 of this title (relating to Fee Schedule). The fee is due and payable at the time the application is filed. The fee must be sent to the appropriate regional office or the cashier in the agency headquarters located in Austin, accompanied by an Edwards Aquifer Fee Application Form, provided by the executive director. Application fees must be paid by check or money order, payable to the "Texas Commission on Environmental Quality." If the application fee is not submitted in the correct amount, the executive director is not required to consider the application until the correct fee is submitted.
30 Tex. Admin. Code § 213.12