PAN-Aadhaar linking deadline set at Aug 31, ITR returns cannot be processed until linkage PAN-Aadhaar linking deadline set at Aug 31, ITR returns cannot be processed until linkage The Ministry Of Finance On Monday Said That Actual Linking Of PAN With Aadhaar Can Be Done Subsequently, But Any Time Before Aug 31. However, The Income Tax Returns Will Not Be Processed Until The Linkage Of Aadhaar With PAN Is Done. News Nation Bureau | Edited By : Gautam Lalotra | Updated on: 31 Jul 2017, 05:08:49 PM New Delhi: The Ministry of Finance on Monday said that actual linking of PAN with Aadhaar can be done subsequently, but any time before Aug 31. However, the income tax returns will not be processed until the linkage of Aadhaar with PAN is done.