Texas Natural Resources Code - NAT RES § 11.074. Herding and Line-Riding

(a) No owner of stock, manager, agent, employee, or servant may fence, use, occupy, or appropriate by herding or line-riding any portion of the public land of the state or land which belongs to the public schools or asylums unless he obtains a lease for the land from the proper authority.

(b) Any owner of stock or his manager, agent, employee, or servant who fences, uses, occupies, or appropriates by herding or line-riding any portion of the land covered by Subsection (a) of this section without a lease for the land, on conviction, shall be fined not less than $100 nor more than $1,000 and confined in the county jail for not less than three months nor more than two years. Each day for which a violation continues constitutes a separate offense.

(c) Prosecution under this section may take place in the county in which a portion of the land is located or to which the county may be attached for judicial purposes or in Travis County.