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Every genuine communication from the Income Tax Department must carry a computer-generated Document Identification Number (DIN). You can check it on the e-Filing portal using the Authenticate notice or order issued by ITD service.
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Every genuine communication from the Income Tax Department must carry a computer-generated Document Identification Number (DIN). You can check it on the e-Filing portal using the Authenticate notice or order issued by ITD service.
CBDT Circular No. 19 of 2019 (Document Identification Number); Sec 131, Income-tax Act 1961 (now Sec 246, Income-tax Act 2025)
CBDT Circular 19/2019 says a communication without a valid DIN is treated as never issued, except in narrow recorded cases. Example: an email asks you to appear with documents and pay ₹50,000 on a link to settle the matter; there is no DIN and the sender domain is not official. That is a scam. Genuine summons never ask for payment through a link.
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