The president of each corporation, the chief managing executive of each association, all active members of each firm and partnership, and all trustees of each trust subject to the provisions of this chapter shall be responsible for the compliance with the terms of this chapter by the corporation, association, firm, partnership, or trust of which he is, respectively, president, chief managing executive, member, or trustee, and he shall be liable to prosecution under and subject to the criminal penalties provided in this chapter for violations of this chapter by the respective corporation, association, firm, partnership, or trust of which he has actual knowledge or to which he assents.
Tex. Nat. Res. Code § 88.133