Section 2809 Of Chapter 4. Administration And Enforcement From California Vehicle Code >> Division 2. >> Chapter 4.

. All scales and weighing instruments used by any member of the California Highway Patrol to enforce the provisions of this code with respect to weight limitations shall be inspected and certified as to accuracy at least once in each calendar year by the Bureau of Weights and Measures of the Department of Food and Agriculture or by a county sealer of weights and measures.