4 CCR 723-4 Rule 4306
Records of Tests and Meters
(a)For each meter owned or installed, a utility shall maintain a record showing the date of purchase, the manufacturer's serial number, the record of the present or previously installed location, and the date and results of the last test performed by the utility. This record shall be retained for the life of the meter plus 30 months.#
(b)Whenever a meter is tested either on request or upon complaint, the test record shall include the information necessary for identifying the meter, the reason for making the test, the reading of the meter if removed from service, the result of the test, and all data taken at the time of the test in a sufficiently complete form to permit the convenient checking of the methods employed and the calculations made. This record shall be retained for at least two years. 4307- 4308. [Reserved].#