Texas Natural Resources Code - NAT RES § 51.301. Interest on Past-Due Payments

Payments under this subchapter that are past due shall bear interest at a rate equal to the rate imposed by the comptroller under Section 111.060, Tax Code, for delinquent payments due the state, except that if the commissioner enters into an agreement with the grantee of the easement or lease specifying a lower rate, the payments bear interest at that lower rate.