Income Tax: CBDT has made DIN mandatory for all income-tax communications like notices and orders; exceptions allowed in specific cases with approval, improving transparency, tracking, and accountability in tax administration system. (01.04.2026)

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INCOME TAX

CBDT has made DIN mandatory for all income-tax communications like notices and orders; exceptions allowed in specific cases with approval, improving transparency, tracking, and accountability in tax administration system.

(Circular No. 4/2026-Income Tax, dated 31.03.2026)