Tex. Rev. Civ. Stat. art. 8609

The inspector shall seal and forbid the use of any inaccurate measuring device until such time as the defect is corrected. The breaking of said official seal shall be prima facie evidence of a violation of this law and no person, firm, association of persons, corporation or carrier shall refuse to permit the inspector provided for by law to inspect and seal, if deemed necessary, any such measuring device, or to break the seal after being placed by such inspector.