(a) A permit issued under this subchapter must be carried in the truck-tractor for which the permit is issued.
(b) A copy of the weight record in the form prescribed by the department must contain the information required by § 621.410(c) and must be:
(1) carried in the truck-tractor if the truck-tractor is:
(A) on a public highway or road; and
(B) transporting an intermodal shipping container that contains cargo; and
(2) presented, on request, to an officer authorized to enforce this subtitle, regardless of whether a weight record is required under § 621.410.