If a weighing or measuring device is in a place where buying or selling is commonly carried on, there is a rebuttable presumption that the weighing or measuring device is regularly used for the business purposes of that place.
Utah Code § 4-9-117
Weighing and measuring devices -- Presumption
Renumbered and Amended by Chapter 345, 2017 General Session
Official source: Utah State Legislature. Reproduced from public-domain Utah statutes; confirm against the official source for the current text. Not legal advice.