Texas Natural Resources Code - NAT RES § 131.201. Performance Bond Requirement

(a) After a surface mining permit application has been approved but before the permit is issued, the applicant shall file with the commission, on a form prescribed by rule, a bond for performance payable to the State of Texas and conditioned on full and faithful performance of all the requirements of this chapter and the permit.

(b) The bond shall cover that area of land within the permit area on which the operator will initiate and conduct surface mining and reclamation operations, and as succeeding increments of surface mining and reclamation operations are to be initiated and conducted within the permit area, the operator shall file with the commission an additional bond or bonds to cover the increments in accordance with Sections 131.202 through 131.206 of this code.