The notice under Section 143(2) of the Income Tax Act is a crucial document issued by the Income Tax Department, initiating a more detailed scrutiny of the income tax return filed by a taxpayer. This notice is served when the Assessing Officer (AO) considers it necessary to ensure that a taxpayer has not understated the income, computed excessive loss, or underpaid taxes in any manner. Here are the essential contents of a Section 143(2) notice: