January 28, 2019 - The IRS will begin accepting returns - however - this year the IRS will not begin issuing refunds until mid-to-late February due to concerns of refund fraud and identity theft.
January 31, 2019 - Deadline to send W-2's and 1099-Misc's to Employees, Independent Contractors and to the IRS/SSA.
March 15, 2019 - Deadline to file S Corporation and Partnerships tax returns.
April 15, 2019 - Deadline to file C Corporation tax returns. If you have an LLC that is filed as a disregarded entity on Schedule C of your form 1040, the deadline to file your California Form 568 LLC return is April 15, 2019.
April 15, 2019 - Deadline to file your 2018 tax return, or to file an extension.
September 16, 2019 - Extended S-Corps and Extended Partnerships due.
October 15, 2019 - Extended C-Corps and Extended Personal tax returns due.