Further, an updated tax return can be filed only on payment of the tax, interest, fee, and additional tax due on the income being offered to tax in such updated tax return. “An additional tax has been introduced for availing the benefit of filing updated tax return, where the additional tax could be 25 per cent or 50 per cent of the tax and interest determined on the income or additional income being offered to tax,” adds Chandra. The mechanism for calculating the tax, interest and additional tax has been provided and taxpayers will need to meticulously calculate the same to understand the actual outflow.