Presumptive evidence. Whenever there shall exist a weight or measure or weighing or measuring device in or about any place in which or from which buying or selling is commonly carried on, there shall be a rebuttable presumption that the weight or measure or weighing or measuring device is regularly used in commerce.
Presumptive evidence
W.S. § 40-10-135 — under Chapter 10 — Weights And Measures.
W.S. § 40-10-135