• January 1 — Everyone
  Federal Holiday (New Year's Day)
• January 10 — Employees who work for tips
  If you received $20 or more in tips during December, report them to your employer
• January 15 — Individuals
  Make a payment of your estimated tax for 2013 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
• January 15 — Farmers & fishermen
  Pay your estimated tax for 2013 using Form 1040-ES
• January 20 — Everyone
  Federal Holiday (Birthday of Martin Luther King, Jr./Inauguration Day)
• January 31 — Individuals
  If you did not pay your last installment of estimated tax by January 15, you may choose (but are not required) to file your income tax return (Form 1040) for 2013 by January 31
• January 31 — All businesses
  Give annual information statements to recipients of certain payments you made during 2013

February 2014

• February 10 — Employees who work for tips
  If you received $20 or more in tips during January, report them to your employer
• February 17 — Everyone
  Federal Holiday (Washington's Birthday)
• February 18 — Individuals
  If you claimed exemption from income tax withholding last year on the Form W-4, you must file a new Form W-4 by this date to continue your exemption for another year
• February 18 — All businesses
  Give annual information statements to recipients of certain payments you made during 2013
• February 28 — All businesses 
  File information returns (for example, Forms 1099) for certain payments you made during 2013

March 2014

• March 3 — Farmers & fishermen 
  File your 2013 income tax return (Form 1040) and pay any tax due
• March 10 — Employees who work for tips
  If you received $20 or more in tips during February, report them to your employer
• March 17 — Corporations
  File a 2013 calendar year income tax return (Form 1120) and pay any tax due
• March 17 — S Corporations
  File a 2013 calendar year income tax return (Form 1120S) and pay any tax due
• March 17 — S Corporations
  S Corporation Election: File Form 2553, Election by a Small Business Corporation, to elect to be treated as an S corporation beginning with calendar year 2014
• March 17 — Partnerships
  Electing Large Partnerships: Provide each partner with a copy of Schedule K-1 (Form 1065-B), Partner's Share of Income (Loss) From an Electing Large Partnership, or a substitute Schedule K-1
• March 31 — All businesses 
  File Forms 1097, 1098, 1099, 3921, 3922, and W-2G with the IRS. This due date applies only if you file electronically

April 2014

• April 10 — Employees who work for tips 
  If you received $20 or more in tips during March, report them to your employer
• April 15 — Individuals
  File a 2013 income tax return (Form 1040, 1040A, or 1040EZ) and pay any tax due
• April 15 — Household Employers
  If you paid cash wages of $1,800 or more in 2013 to a household employee, you must file Schedule H
• April 15 — Individuals
  If you are not paying your 2014 income tax through withholding (or will not pay in enough tax during the year that way), pay the first installment of your 2014 estimated tax. Use Form 1040-ES
• April 15 — Partnerships
  File a 2013 calendar year return (Form 1065)
• April 15 — Partnerships
  Electing large partnerships: File a 2013 calendar year return (Form 1065-B)
• April 15 — Corporations
  Deposit the first installment of estimated income tax for 2014
• April 16 — Everyone 
  Federal Holiday (District of Columbia Emancipation Day)

May 2014

• May 12 — Employees who work for tips 
  If you received $20 or more in tips during April, report them to your employer
• May 26 — Everyone 
  Federal Holiday (Memorial Day)

June 2014

• June 10 — Employees who work for tips
  If you received $20 or more in tips during May, report them to your employer
• June 16 — Individuals
  If you are a U.S. citizen or resident alien living and working (or on military duty) outside the United States and Puerto Rico, file Form 1040 and pay any tax, interest, and penalties due. If you want additional time to file your return, file Form 4868 to obtain 4 additional months to file
• June 16 — Individuals
  Make a payment of your 2014 estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the second installment
• June 16 — Corporations
  Deposit the second installment of estimated income tax for 2014

July 2014

• July 4 — Everyone
  Federal Holiday (Independence Day)
• July 10 — Employees who work for tips
  If you received $20 or more in tips during June, report them to your employer

August 2014

• August 11 — Employees who work for tips
  If you received $20 or more in tips during July, report them to your employer

September 2014

• September 1 — Everyone
  Federal Holiday (Labor Day)
• September 10 — Employees who work for tips
  If you received $20 or more in tips during August, report them to your employer
• September 15 — Individuals
  Make a payment of your 2014 estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the third installment
• September 15 — Corporations
  File a 2013 calendar year income tax return (Form 1120) and pay any tax, interest, and penalties due. This due date applies only if you timely requested an automatic 6-month extension
• September 15 — S Corporations
  File a 2013 calendar year income tax return (Form 1120S) and pay any tax due. This due date applies only if you timely requested an automatic 6-month extension
• September 15 — Partnerships
  File a 2013 calendar year return (Form 1065). This due date applies only if you were given an additional 5-month extension
• September 15 — Corporations
  Deposit the third installment of estimated income tax for 2014

October 2014

• October 10 — Employees who work for tips
  If you received $20 or more in tips during September, report them to your employer
• October 13 — Everyone
  Federal Holiday (Columbus Day)
• October 15 — Individuals
  If you have an automatic 6-month extension to file your income tax return for 2013, file Form 1040, 1040A, or 1040EZ and pay any tax, interest, and penalties due
• October 15 — Partnerships
  Electing large partnerships: File a 2013 calendar year return (Form 1065-B). This due date applies only if you were given an additional 6-month extension

November 2014

• November 10 — Employees who work for tips
  If you received $20 or more in tips during October, report them to your employer
• November 11 — Everyone
  Federal Holiday (Veterans Day)
• November 27 — Everyone
  Federal Holiday (Thanksgiving Day)

December 2014

• December 10 — Employees who work for tips
  If you received $20 or more in tips during November, report them to your employer
• December 15 — Corporations
  Deposit the fourth installment of estimated income tax for 2014
• December 25 — Everyone
  Federal Holiday (Christmas Day)