Income Tax department extends last date of filing ITR from July 31 to August 5 Income Tax department extends last date of filing ITR from July 31 to August 5 The Income Tax Department On Monday Giving Some Respite To Tax Payers Has Extended The Last Date Of Filing Income Tax Return For The Financial Year 2016-17 From July 31 To August 5. News Nation Bureau | Edited By : Shashikant Sharma | Updated on: 31 Jul 2017, 04:03:12 PM New Delhi: The Income Tax department on Monday giving some respite to tax payers has extended the last date of filing Income tax return for the financial year 2016-17 from July 31 to August 5.