Okla. Stat. tit. 2, § 14-43
If a weight or measure or weighing or measuring device exists where buying or selling is commonly carried on, there shall be a rebuttable presumption that the weight, measure, or weighing or measuring device is regularly used for business purposes.
Laws 1976, SB 688, c. 108, § 13, emerg. eff. May 12, 1976; Amended by Laws 2000, SB 1402, c. 243, § 66, emerg. eff. May 24, 2000 (superseded document available); Renumbered from 2 O.S. § 5-61m by Laws 2000, SB 1402, c. 243, § 126, emerg. eff. May 24, 2000.