Prior Period Items
Prior period items are corrections of material errors from previous periods, which under Ind AS 8 are accounted for retrospectively by restating comparative figures rather than being recognised in the current year profit and loss account.
Ind AS 8, which deals with accounting policies, changes in accounting estimates, and errors, draws a clear distinction between a prior period error and a change in accounting estimate. A prior period error is an omission from, or misstatement in, a company's financial statements for one or more prior periods that was caused by a failure to use, or a misuse of, reliable information that was available when those financial statements were authorised for issue. The classic examples include mathematical mistakes, incorrect application of accounting policies, misclassification of items, and fraudulent misrepresentation.
When a material prior period error is discovered, Ind AS 8 requires retrospective restatement. This means the company restates the comparative figures for the prior period presented in the current year's financial statements, and if the error originated in an even earlier period, adjusts the opening balances of assets, liabilities, and equity for the earliest period presented. The current year profit and loss account is not used to correct prior period errors — the restatement flows through equity (retained earnings) of the affected period.
This treatment is a significant departure from old Indian GAAP practice, under which prior period items were often recognised as income or expenses in the current year profit and loss account with a separate disclosure. The old approach was simple to apply but distorted current-year profitability. The Ind AS approach of restating historical figures gives users a cleaner and more comparable view of performance across periods.
In the Indian listed company context, prior period restatements attract heightened regulatory attention. SEBI requires companies to promptly disclose material restatements, and the stock exchange listing requirements mandate restatement disclosures via outcome of board meetings. Auditors are required to issue revised audit reports or explanatory paragraphs when a restatement occurs, and the discovery of a prior period error — particularly if it involves a change in net profit — may trigger shareholder complaints, SEBI investigations, or questions about management integrity.
Practically, the distinction between a prior period error and a change in accounting estimate matters enormously. A change in accounting estimate — for example, revising the useful life of an asset based on new information about its wear pattern — is accounted for prospectively, affecting only the current and future periods, with no restatement. Companies sometimes face scrutiny over whether a change they are characterising as a change in estimate is, in substance, a correction of a prior period error, since the former avoids the restatement burden and the associated regulatory and reputational consequences.