The Institute of Chartered Accountants of India, in its gazette notification dated 2nd August, 2019, had made generation of UDIN from ICAI website www.icai.org mandatory for every kind of certificate/tax audit report and other attests made by their members as required by various regulators. This was introduced to curb fake certifications by non-CAs misrepresenting themselves as Chartered Accountants. In line with the ongoing initiatives of the Income Tax Department for integrating with other Government agencies and bodies, Income-tax e-filing portal has completed its integration with the Institute of Chartered Accountants of India (ICAI) portal for validation of Unique Document Identification Number (UDIN) generated from ICAI portal by the Chartered Accountants for documents certified/attested by them. It may be noted that, in consonance with the above requirement, Income-tax e-filing portal had already factored mandatory quoting of UDIN with effect from 27th April, 2020 for documents