20.55.07.07

.07 In-Service Performance Test Program.

A. Test Program. A utility in-service performance test program shall be designed to automatically adjust the number of meters required to be tested by a utility based solely on the performance of the utility's meters. In-service performance tests shall be made in accordance with the requirements of COMAR 20.55.02.02B.

B. Location of Tests. In-service performance tests may be made on the customer's premises, in the utility's shop, or in an approved meter shop.

C. Analysis of Meter Tests.

(1) By Commission. The Commission will review the annual reports of meter test results.

(2) By Utility. Each utility shall analyze its meter test results for the purpose of identifying the meter types which have poor accuracy characteristics.