January 10
Employees – If you received $20 or more in tips during December of the prior year, report them to your employer. You can use Form 4070.
January 15
Individuals – Make a payment of your estimated tax for the prior year if you did not pay your income tax for the year through withholding (or did not pay in enough tax that way). Use Form 1040-ES. This is the fourth and final installment date for the prior year estimated tax. However, you do not have to make this payment if you file your prior year tax return (Form 1040 or Form 1040-SR) and pay any tax due by January 31.
Employers – Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in December of the prior year.
Employers – Nonpayroll Withholding. If the monthly deposit rule applies, deposit the tax for payments in December of the prior year.
January 31
Employers – Give your employees their copies of Form W-2 for the prior year. If an employee agreed to receive Form W-2 electronically, have it posted on a website and notify the employee of the posting. File Form W-3, Transmittal of Wage and Tax Statements, along with Copy A of all the Forms W-2 you issued.
Businesses – Give annual information statements to recipients of certain payments made during the prior year. You can use the appropriate version of Form 1099 or other information return. Form 1099 can be issued electronically with the consent of the recipient.
Payers of Nonemployee Compensation – File Form 1099-NEC for nonemployee compensation paid in the prior year.
Employers – Nonpayroll taxes. File Form 945 to report income tax withheld for the prior year on all nonpayroll items, including backup withholding and withholding on pensions, annuities, IRAs, gambling winnings, and payments of Indian gaming profits to tribal members. Deposit or pay any undeposited tax under the accuracy of deposit rules. If your tax liability is less than $2,500, you can pay it in full with a timely filed return. If you deposited the tax for the year timely, properly, and in full, you have until February 10 to file the return.
Employers – Social Security, Medicare, and withheld income tax. File Form 941 for the fourth quarter of the prior year. Deposit or pay any undeposited tax under the accuracy of deposit rules. If your tax liability is less than $2,500, you can pay it in full with a timely filed return. If you deposited the tax for the quarter timely, properly, and in full, you have until February 10 to file the return.
Employers – Federal unemployment tax. File Form 940 for the prior year. If your undeposited tax is $500 or less, you can either pay it with your return or deposit it. If it is more than $500, you must deposit it. However, if you deposited the tax for the year timely, properly, and in full, you have until February 10 to file the return.