When a weight, measure, meter, counter or commercial device is 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, measure, meter, counter or commercial device is regularly used for the business purpose of the place.
A.R.S. § 3-3474
Presumptive evidence of use
Official source: Arizona State Legislature. Reproduced from public-domain Arizona statutes; confirm against the official source for the current text. Not legal advice.