under the current laws it is mandatory to link your pan with your aadhaar number further it is mandatory to quote your aadhaar number at the time of filing income tax return itr applying for new pan and also to avail monetary benefits from the government such as pension scholarship lpg subsidy etcthe last date to link pan with aadhaar without having to pay a fee was march 31 2022 if you link your pan with aadhaar on or after april 1 2022 then it will cost you if the linking of the same is done on or before june 30 2022 then you will have to pay a fee of rs 500 if the linking of both the documents is done on or after july 1 2022 then a fee of rs 1000 will be payableearlier there was no provision in the income tax laws for charging fee for linking of pan with aadhaar however last year in budget 2021 section 234h was introduced under the incometax act1961 to charge fee up to rs 1000 on linking of pan with aadhaar from a specified date which has been notified as april 1 2022do note that as per the latest income tax circular if you do not link your pan with aadhaar then your pan will remain operative till june 30 2023 only however from july 1 2023 onwards your pan will become inoperative if not linked with aadhaarthe government through a notification dated february 13 2020 has clarified what will happen once the pan becomes inoperative according to that notification if a person links hisher pan with aadhaar after the latest deadline ie march 31 2023 then the pan will become operative only from the date of intimation of aadhaar number however linking of the two from april 1 2022 will cost you money as mentioned aboveyou might also likehow to update or correct details in aadhaar cardonce your pan becomes inoperative then you will not be able to conduct financial transactions wherever quoting of pan is mandatory these include opening of bank account filing income tax return claiming income tax refund investing in stocks mutual funds etcalso from april 1 2019 it has become mandatory to quote and link aadhaar number while filing income tax returns unless specifically exempted according to chartered accountants an individual cannot file hisher itr without linking the two firsthere is how you can link your pan with aadhaarif you are already a registered user at income tax efiling websiteif you are already filing income tax returns chances are that your pan is already linked with aadhaar if you have mentioned it previously while filing itr in the previous assessment years it is done by the income tax department in case details of both are already available with ityou can check if your aadhaar is already linked to your pan by visiting the income tax efiling website wwwincometaxindiaefilinggovinlogin to the website by entering pan user id and password once you are logged in