This blog post details a significant update for taxpayers who have received a notice under Section 158BC of the Income-tax Act, 1961. It explains that Form ITR-B, a special return for undisclosed income found during past search and seizure operations, can now be submitted conveniently through the Income Tax portal's e-Proceeding tab. The article clarifies what a Section 158BC notice entails, highlights the benefits of online submission (convenience, efficiency, transparency), provides step-by-step guidance, and emphasizes the crucial role of professional advice for these complex assessments.