Approval. A meter may not be placed in service unless: Its type and design first has been approved by the Commission; It has been inspected and tested by the utility, or has been certified by the manufacturer to be correct; Its registration is within the tolerances specified in Regulation .04A of this chapter; and It has been sealed by the utility. Re-Installation. When any meter is removed from service it shall be repaired if necessary so that it conforms to the registration tolerances specified in Regulation .04A before being placed in service again.