Texas Agriculture Code - AGRIC § 102.101. Identification Signs

(a) A motor vehicle, including a truck or tractor, that hauls citrus fruit in bulk or in open containers for commercial purposes on the highways of this state must be identified by signs showing:

(b) If a person licensed under Subchapter A  1 of this chapter is the owner or operator of the vehicle, each identification sign must also show “Licensed Citrus Fruit Dealer” under the name of the person.

(c) The lettering on each identification sign must be at least three inches in height.

(d) An identification sign must appear on both sides of the vehicle or on both the front and the rear and must be affixed permanently or in another manner in which it may not easily be removed. If both a tractor and a trailer or two units are used in hauling the citrus fruit, both the tractor and the trailer or both units must be labeled with identification signs in the manner required by this subsection.