Okla. Stat. tit. 2, § 2-9-135: Inspection of scales - Use of inaccurate scales

A. The State Board of Agriculture shall cause a periodic

inspection to be made of all scales used at any livestock auction

market. All scales used at any livestock auction market shall have

an automatic stamping device to print the weight on a card, paper,

or ticket and furnished to interested parties in connection with the

weighing of any livestock handled at the livestock auction market.

B. No person shall use any scales found to be inaccurate until

the scales have been made accurate and have been approved by the

Board.