Notice for escaped income: Assessing officer must issue a notice requiring a prescribed return; approvals required for certain sources.

Requires the Assessing Officer to issue a notice and copy of the related order before reopening assessment where information suggests income escaped assessment; the notice must demand a prescribed, verified return within a period not exceeding three months, and late returns are not treated as statutory returns. Notices may be issued only when specific categories of information indicating escaped income exist, and prior approval is required where the information derives from certain sensitive or specified sources.

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