(a) In a proceeding in which a violation of a weight restriction under this subtitle may be an issue, a document is admissible as relevant evidence of the violation if:
(1) the document is:
(A) a record kept under Section 621.410; or
(B) a bill of lading, freight bill, weight certification, or similar document that is issued by a person consigning cargo for shipment or engaged in the business of transporting or forwarding cargo; and
(2) the document states:
(A) a gross weight of the vehicle or combination of vehicles and cargo that exceeds a weight restriction under this subtitle; or
(B) a gross weight of the cargo that combined with the empty weight of the vehicle or combination of vehicles exceeds a weight restriction under this subtitle.
(b) This section does not limit the admissibility of any other evidence relating to the violation.