Texas Agriculture Code - AGRIC § 61.007. Certified Seed

(a) A person may not sell or offer, expose, or transport for sale agricultural or vegetable seed that is represented by labeling or an advertisement to be certified seed unless:

(b) A person may not sell or offer, expose, or transport for sale seed labeled by variety name but not certified by an official seed certifying agency if it is a variety required by federal law to be sold only as a class of certified seed, except that seed from a certified lot may be labeled by variety name if used in a mixture by, or with the approval of, the owner of the variety.