2023 Texas Natural Resources Code Chapter 151 > Subchapter A – Required Documentation for Purchase of Trees and Timber Current as of: 2023 | Check for updates | Other versions § 151.001 Required Bill of Sale § 151.002 Information in Bill of Sale § 151.003 Retention of Bill of Sale § 151.0035 Documentation of Delivery Required for Certain Purchases § 151.004 Notice Concerning Sale or Purchase of Trees or Timber § 151.005 Penalty § 151.006 Applicability § 151.007 Penalties Cumulative § 151.008 Civil Liability