Wealth escaping assessment: Assessing Officer may reopen and reassess escaped net wealth, subject to time limits and approvals. The Assessing Officer may, on recording reasons and where he has reason to believe net wealth chargeable to tax has escaped assessment, require a prescribed verified return and proceed to assess or reassess such escaped net wealth and any other escaped net wealth discovered in the proceedings; time limits and exceptions apply, including extended limitation periods and threshold conditions for cases involving non disclosure, omission to file returns, and assets located outside India, and hierarchical approvals are required to issue notices beyond ordinary time bars.