Deadline for return filing of audit reports extended to November 7 Deadline for return filing of audit reports extended to November 7 The Government On Tuesday Extended The Last Date For E-filing Of Income Tax Returns For Those Taxpayers Who File Audit Reports Till November 7. PTI | Updated on: 01 Nov 2017, 01:06:57 AM New Delhi: The government on Tuesday extended the last date for e-filing of income tax returns for those taxpayers who file audit reports till November 7. A senior official said the Central Board of Direct Taxes (CBDT) took the decision to extend the deadline by a week, considering the “representations made by various stakeholders”.