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CA Intermediate · Auditing and Ethics · Special Features of Audit of Different Type of Entities

CA Tanvi is the statutory auditor of Ganga Power Distribution Ltd, an electricity distribution company, and has been told by management that, because of the industry's regulated nature, tariff-related revenue need not be tested. The company's revenue includes billed amounts and unbilled revenue estimated at year end. Which of the following is the most appropriate audit approach?

The auditor should verify that revenue follows the applicable tariff orders and should test the basis and calculation of unbilled revenue as an accounting estimate. Regulation of tariffs and management's representations are not substitutes for audit evidence, and unbilled revenue involves estimation risk that must be evaluated.

  1. ARely on the regulator's approval of tariffs and perform no testing of revenue
  2. BTest only billed revenue, since unbilled revenue is an estimate
  3. CVerify that revenue is recognised as per the applicable tariff orders, test the basis and computation of unbilled revenue, and evaluate it as an accounting estimateCorrect
  4. DAccept management's representation about unbilled revenue as sufficient evidence

Explanation

Revenue in utilities depends on tariff orders, meter readings and year-end estimates of unbilled supply. The auditor must test application of the approved tariff and evaluate the unbilled revenue estimate under the standard on accounting estimates. A management representation alone is not sufficient evidence, and regulatory approval of tariffs does not remove the need to test revenue.

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