Keep this chart handy or copy the relevant parts of it into your calendar so you won’t miss a due date throughout the year.

W-2 Filing

(Wage and Tax Statement for Full- and Part-Time Employees)
January 31

Form 1096 Filing

(Information Return by Employers to the IRS on Form 1099s Issued to Independent Contractors)
February 29

Form 1099-MISC Filing

(Statement of Payments Made to Independent Contractors)
January 31 Copy A paper or electronic submission to the IRS if box 7 is filled in
January 31 Copy B to the contractor
February 28 Copy A paper submission to the IRS if box 7 is empty
March 31 Copy A electronic submission to the IRS if box 7 is empty

S Corporation Tax Filing

(for a calendar tax year)
March 16 Submit Form 1120S Income Tax Return
March 16 File for an extension

Partnership Tax Filing

(for a calendar tax year)
March 16 Submit Form 1065 Income Tax Return
March 16 File for an extension

C Corporation Tax Filing

(for a calendar tax year)
April 15 Submit Form 1120 Income Tax Return
April 15 File Form 7004 Application for an Automatic Extension of Time

LLC Filing as Corporation Tax Filing

(for a calendar tax year)
April 15 Submit Form 1120 Income Tax Return
April 15 File Form 7004 Application for an Automatic Extension of Time

Individual Tax Filing

(Sole Proprietor, Independent Contractor)
April 15 Submit Form 1040, 1040A or 1040EZ Income Tax Return
April 15 File for an extension

Nonprofit Tax Filing

May 15 Submit Form 990
May 15 File for an extension

Estimated Quarterly Tax Payments

January 15 Send final 2019 payment with Form 1040-ES Payment Voucher 4
April 15 Send first 2020 payment with Form 1040-ES Payment Voucher 1
June 15 Send second 2020 payment with Form 1040-ES Payment Voucher 2
September 15 Send third 2020 payment with Form 1040-ES Payment Voucher 3
Some types of businesses may have different or additional deadlines and requirements. Consult with your accountant or tax advisor early in the year to make sure you meet your obligations.