<h1>Under-reporting of sales detected - data-driven inquiry prompts compliance notices for restaurants to update tax filings.</h1> A data-driven exercise found under-reporting of sales in the restaurant sector through AI analytics comparing transactional data with reported turnover, revealing deletion and modification of bills and omission of transactions. The tax authority has opened investigations and, under the NUDGE campaign, is directing identified outlets to update their income tax returns by a compliance deadline while probes into billing-software manipulation and sampled premises continue.