“(2) (a) The licensee shall set up accredited testing laboratories or utilise the services of other accredited testing laboratories.
(b) The licensee shall take immediate action to get the accreditations for their existing meter testing laboratories from NABL, if not already done.
(3) The generating company or licensee shall ensure that all type, routine and acceptance tests are carried out by the manufacturer complying with the requirement of the relevant Indian Standards.”.
14. In regulation 18 of the said regulations,-
(i) in sub-regulation (1), for clauses (b) and (c), the following shall be substituted, namely: - “(b) All Interface Meters shall be tested on-site using accredited test laboratory for routine accuracy testing at least once in five years and recalibrated if required.
Provided that these meters shall also be tested whenever the energy and other quantities recorded by the meter are abnormal or inconsistent with electrically adjacent meters.
(c) Testing and calibration of Interface Meters shall be carried out in the presence of the representatives of the supplier and buyer by giving the advance notice to the other party regarding the date of testing.”;
(ii) for sub-regulations (2) and (3), the following shall be substituted, namely: - “(2) Consumer Meters: The testing of Consumer Meters shall be done at site through accredited test laboratory at least once in five years and recalibrated, if required:
Provided that the licensee instead of testing the meter at site can remove the meter and replace the same by a meter duly tested in an accredited test laboratory:
Provided further that meter shall be tested if the consumption pattern changes drastically from the similar months or seasons of the previous years or if there is consumer’s complaint pertaining to a meter:
Provided also that the meter used for testing shall be of better accuracy class than the meter under test.
(3) Energy Accounting and Audit Meters: Energy Accounting and Audit Meters shall be tested at site through accredited test laboratory at least once in five years or whenever the accuracy is suspected or whenever the readings are inconsistent with the readings of other meters, e.g., Check Meters, Standby Meters and defective meters shall be recalibrated, if required:
Provided that the testing shall be carried out without removing the Instrument Transformers connection.”.
15. Regulation 20 of the said regulations shall be omitted.