Employees who work for tips
If you received $20 or more in tips during December, report them to your employer.

Individuals
Make a payment of your estimated tax for 2019 if you didn't pay your income tax for the year through withholding.

Individuals
If you didn't pay your last installment of estimated tax by January 15, you may choose to file your income tax return for 2019 by January 31.

All businesses
Give annual information statements to recipients of certain payments you made during 2019.

Employees who work for tips
If you received $20 or more in tips during January, report them to your employer.

Individuals
If you claimed exemption from income tax withholding last year on the Form W-4 you gave your employer, you must file a new Form W-4 by this date to continue your exemption for another year.

All businesses
Give annual information statements to recipients of certain payments you made during 2019.

All businesses
File information returns for certain payments you made during 2019.

Employees who work for tips
If you received $20 or more in tips during February, report them to your employer.

Partnerships
File a 2019 calendar year return. Provide each partner with a copy of their Schedule K-1, Partner's Share of Income, Deductions, Credits, etc., or substitute Schedule K-1.

S corporations
File a 2019 calendar year income tax return and pay any tax due.

S corporation election
File Form 2553 to elect to be treated as an S corporation beginning with calendar year 2020.

Electronic filing of Forms 1097, 1098, 1099, 3921, 3922, and W-2G.

Employees who work for tips
If you received $20 or more in tips during March, report them to your employer.

Individuals
File a 2019 Form 1040 or Form 1040-SR and pay any tax due. If you’re not paying your 2020 income tax through withholding, pay the first installment of your 2020 estimated tax.

Household employers
If you paid cash wages of $2,100 or more in 2019 to a household employee, you must file Schedule H, Household Employment Taxes.

Corporations
File a 2019 calendar year income tax return and pay any tax due. Deposit the first installment of estimated income tax for 2020.