By February 10
Employers – Federal unemployment tax. File Form 940 for 2013. This due date applies only if you deposited the tax for the year in full and on time.
Employers – Social Security, Medicare, and withheld income tax. File Form 941 for the fourth quarter of 2013. This due date applies only if you deposited the tax for the quarter in full and on time.
Farm Employers – File Form 943 to report Social Security and Medicare taxes and withheld income tax for 2013. This due date applies only if you deposited the tax for the year in full and on time.
Certain Small Employers – File Form 944 to report Social Security and Medicare taxes and withheld income tax for 2013. This tax due date applies only if you deposited the tax for the year in full and on time.
Employers – Nonpayroll taxes. File Form 945 to report income tax withheld for 2013 on all nonpayroll items. This due date applies only if you deposited the tax for the year in full and on time.
Employees – who work for tips. If you received $20 or more in tips during January, report them to your employer. You can use Form 4070.
February 18
Employers – Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in January.
Employers – Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in January.
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.
February 19
Employers – Begin withholding income tax from the pay of any employee who claimed exemption from withholding in 2013, but did not give you a new Form W-4 to continue the exemption this year.
February 28
Businesses – File information returns (Form 1099) for certain payments you made during 2013. There are different forms for different types of payments. Use a separate Form 1096 to summarize and transmit the forms for each type of payment. See the 2013 Instructions for Forms 1099, 1098, 5498, and W-2G for information on what payments are covered, how much the payment must be before a return is required, what form to use, and extensions of time to file.
If you file Forms 1098, 1099, or W-2G electronically (not by magnetic media), your due date for filing them with the IRS will be extended to March 31. The due date for giving the recipient these forms is still January 31.
Payers of Gambling Winnings – File Form 1096, Annual Summary and transmittal of U.S. Information Returns, along with Copy A of all the Forms W-2G you issued for 2013. If you file Forms W-2G electronically (not by magnetic tape), your due date for filing them with the IRS will be extended to March 31. The due date for giving the recipient these forms remains January 31.
Employers – File Form W-3, Transmittal of Wage and Tax Statements, along with Copy A of all the Forms W-2 you issued for 2013.
If you file Forms W-2 electronically (not by magnetic media), your due date for filing them with the SSA will be extended to March 31. The due date for giving the recipient these forms is still January 31.
Employers – with employees who work for tips. File Form 8027, Employer’s Annual Information Return of Tip Income and Allocated Tips. Use Form 8027-T, Transmittal of Employer’s Annual Information Return of Tip Income and Allocated Tips, to summarize and transmit Forms 8027 if you have more than one establishment. If you file Forms 8027 electronically (not by magnetic tape), your due date for filing them with the IRS will be extended to March 31.