With Form 16 usually arriving by mid-June, salaried taxpayers are beginning to prepare their ITRs for AY 2026–27. But filing too quickly can create problems if taxpayers rely only on Form 16 and do not cross-check Form 26AS, Annual Information Statement (AIS), bank interest, dividend income, and capital gains statements. The story will explain why early-filing mistakes can lead to mismatches, revised returns, refund delays, or tax notices. It will be useful for salaried taxpayers, investors, and anyone with income beyond salary.