Rule 602. Every meter must be inspected and tested, and associated devices must be inspected, in the meter shop of the electric utility or cooperative, or a meter testing facility certified by the electric utility or cooperative, before being placed in service. The accuracy of each meter must be certified to be within the tolerances permitted by these rules, except that the electric utility or cooperative may rely on the certification of accuracy by the manufacturer on all new meters.
Mich. Admin. Code R. 460.3602