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.
Wyo. Stat. Ann. § 40-10-135
Presumptive evidence
Official source: Wyoming Legislature. Reproduced from public-domain Wyoming statutes; confirm against the official source for the current text. Not legal advice.