Texas Codes > Natural Resources Code > Title 2 > Subtitle B > Chapter 21 > Subchapter A Texas Natural Resources Code Chapter 21 > Subchapter A – General Provisions Current as of: 2024 | Check for updates | Other versions § 21.001 Definitions Ask a business law question, get an answer ASAP!Thousands of highly rated, verified business lawyers.Click here to chat with a lawyer about your rights.