For AY 2026–27, the Income Tax Department provides an Authenticate Notice/Order facility on its e-filing portal, allowing taxpayers to verify whether a notice, order, or other communication was genuinely issued by the department. This guide explains how taxpayers can check the authenticity of such communications online before taking any action and highlights the key features of this verification facility. Read Also more: https://www.promoteproject.com/article/225946/how-can-you-authenticate-an-income-tax-notice-online