The Government has made it mandatory to link existing Aadhaar numbers with PAN of taxpayers with effect from July 1.<br/><br/>Amending income tax rules and notifying the same, the Government has also made quoting of the 12-digit biometric Aadhaar or the enrolment ID a must at the time of application of permanent account number (PAN). <br/><br/>The revenue department said the rules will come into force from July 1, 2017. The Central Board of Direct Taxes has said the linking of Aadhaar and PAN will be a must for filing of income tax returns and obtaining PAN from July 1.<br/><br/>Finance Minister Arun Jaitley through an amendment to tax proposals in the Finance Bill for 2017-18 had made Aadhaar mandatory for filing income tax returns and provided for linking of PAN with Aadhaar to check tax evasion through use of multiple PAN cards.