March 1 - Farmers and Fishermen
File your 2009 income tax return (Form 1040) and pay any tax due. However, you have until April 15 to file if you paid your 2009 estimated tax by January 15, 2010.
March 1 - Informational Returns Filing Due
File information returns (Form 1099) for certain payments you made during 2009. There are different forms for different types of payments. These are government filing copies for the 1099s issued to service providers and others (see February 1).
If you file Forms 1098, 1099, or W-2G electronically, your due date for filing them with the IRS will be extended to March 31. The due date for giving the recipient these forms was February 1.
March 1 - 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 2009. If you file Forms W-2G electronically, your due date for filing them with the IRS will be extended to March 31. The due date for giving the recipient these forms was February 1.
March 1 - All Employers
File Form W-3, Transmittal of Wage and Tax Statements, along with Copy A of all the Forms W-2 you issued for 2009. If you file Forms W-2 electronically, your due date for filing them with the SSA will be extended to March 31. The due date for giving the recipient these forms was February 1.
March 1 - Large Food and Beverage Establishment Employers
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, your due date for filing them with the IRS will be extended to March 31.
March 15 - Corporations
File a 2009 calendar year income tax return (Form 1120 or 1120-A) and pay any tax due. If you need an automatic 6-month extension of time to file the return, file Form 7004, Application for Automatic Extension of Time To File Certain Business Income Tax, Information and Other Returns, and deposit what you estimate you owe. Filing this extension protects you from late filing penalties but not late payment penalties, so it is important that you estimate your liability and deposit it using the instructions on Form 7004.
March 15 - S-Corporation Election
File Form 2553, Election by a Small Business Corporation, to choose to be treated as an S corporation beginning with calendar year 2010. If Form 2553 is filed late, S treatment will begin with calendar year 2011.
March 15 - 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. This due date is effective for the first March 15 following the close of the partnership’s tax year. The due date of March 15 applies even if the partnership calendar requests an extension of time to file the Form 1065-B by filing Form 7004.
March 31 - Electronic Filing of Forms 1098, 1099 and W-2G
If you file forms 1098, 1099, or W-2G electronically with the IRS, this is the final due date. This due date applies only if you file electronically (not paper forms). Otherwise, March 1 was the due date. The due date for giving the recipient these forms was February 1.
March 31 - Electronic Filing of Forms W-2
If you file forms W-2 for 2009 electronically with the IRS, this is the final due date. This due date applies only if you electronically file. Otherwise, the due date was March 1. The due date for giving the recipient these forms was February 1.
March 31 - Large Food and Beverage Establishment Employers
If you file forms 8027 for 2009 electronically with the IRS, this is the final due date. This due date applies only if you file electronically. Otherwise, March 1 was the due date.