January 23: IRS begins processing returns for 2016 tax year
January 31: Deadline for employers to mail out W-2s and most 1099-MISC
February 15: Deadline for financial institutions to mail out 1099-B (interest, dividends, capital gains)
February 15: All 2016 tax returns claiming the Earned Income Credit (EIC) and/or Additional Child Tax Credit held by IRS until this date
March 15: Partnership (1065) & S-Corp (1120S) tax deadline. Please note the new tax deadline for partnership returns is now March 15 instead of April 15 (or 18 depending on the year).
April 18: Individual and C-Corp (1120) tax deadline or request for extension. Yes that’s right, you get an extra few days to prepare your return!