Okla. Stat. tit. 13, § 13-157: Method of weighing - Stencil weights

In case any contention shall arise between the consignee and the

carrier in regard to the shortage of coal on any car, the car shall

be weighed first while loaded and then the empty car shall be

weighed again and the actual gross and net weights shall be

ascertained, and the stencil weight of any car marked thereon shall

not be taken in any case as a true weight of said car.