Texas Agriculture Code - AGRIC § 76.141. Regulated Herbicides

(a) After a public hearing on the issue, and in accordance with Subsection (b), the department by rule may adopt a list of regulated herbicides for the state or for one or more designated areas in the state.

(b) The department may include a herbicide on the list of regulated herbicides if the department determines that, if used as directed or in accordance with widespread and commonly recognized practice, the herbicide requires additional restrictions to prevent a hazard to desirable vegetation caused by drift or an uncontrolled application.

(c) A person may not distribute a regulated herbicide unless the person holds a dealer's license issued by the department.