Important Tax Dates (2019)

January 15 – Due date for the fourth installment of 2018 estimated tax.

January 31 – Employers must furnish W-2 statements to employees. 1099 information statements must be furnished by banks, brokers, and other payers.

January 31 – Employers must file 2018 federal unemployment tax returns and pay any tax due.

January 31 – Payers must file information returns (such as 1099s) with the IRS.

January 31 – Employers must send W-2 copies to the Social Security Administration.

March 1 – Farmers and fisherman who did not make 2018 estimated tax payments must file 2018 tax returns and pay taxes in full.

March 15 – 2018 partnership and S corporation returns or extensions are due.

March 15 – Deadline for calendar-year corporations to elect S corporation status for 2019.

April 15 – Individual income tax returns or extensions for 2018 are due.

April 15 – 2018 calendar year corporation income tax returns or extensions are due.

April 15 – Deadline for making 2018 IRA contributions.

April 15 – First installment of 2019 individual estimated tax is due.

June 17 – Second installment of 2019 individual estimated tax is due.

September 16 – Third installment of 2019 individual estimated tax is due.

October 15 – Deadline for filing your 2018 individual tax return if you filed for an extension by the April 15 deadline.

January 15, 2020 – Fourth installment of 2019 individual estimated tax is due.