Section 9(2)(ix) in Tamil Nadu Electricity Grid Code, 2005
(ix)Energy accounting (including billing of UI charges and reactiVe energy charges) is one of the most important and critical function of SLDC. Any flaw in the energy accounting will lead to serious financial consequences. Hence, a committee to be designated by the Commission will conduct annual audit on the accounting and technical performance of SLDC and present a report to the Commission before the end of May every year for the previous financial year.