Corporations: File Form 1120 for 2009 calendar year and pay any tax due. For automatic 6-month extension, file Form 7004 and deposit estimated tax. S Corporations: File Form 1120S for 2009 calendar year and pay any tax due. Furnish a copy of Sch. K-1 to each shareholder.
3/15/2010
File Form 2553 to elect S Corporation status beginning with calendar year 2010.
3/31/2010
Electronically file Forms W-2, W-2G, 1098, 1099, and 8027.
4/15/2010
Individuals: File 2009 Form 1040, 1040A, or 1040EZ. For automatic 6-month extension file Form 4868 and deposit estimated tax. Pay the first installment of 2010 estimated tax. Partnerships: File 2009 Form 1065 and furnish a copy of Sch. K-1 to each partner. Corporations: Deposit the first installment of your estimated tax for 2010. Electing Large Partnerships: File 2009 Form 1065 calendar year return. Household Employers: File Sch. H with Form 1040 if you paid $1,700 or more to a household employee.
Corporations: File Form 1120 for 2009 calendar year and pay any tax due. For automatic 6-month extension, file Form 7004 and deposit estimated tax. S Corporations: File Form 1120S for 2009 calendar year and pay any tax due. Furnish a copy of Sch. K-1 to each shareholder.
3/15/2010
File Form 2553 to elect S Corporation status beginning with calendar year 2010.
3/31/2010
Electronically file Forms W-2, W-2G, 1098, 1099, and 8027.
4/15/2010
Individuals: File 2009 Form 1040, 1040A, or 1040EZ. For automatic 6-month extension file Form 4868 and deposit estimated tax. Pay the first installment of 2010 estimated tax. Partnerships: File 2009 Form 1065 and furnish a copy of Sch. K-1 to each partner. Corporations: Deposit the first installment of your estimated tax for 2010. Electing Large Partnerships: File 2009 Form 1065 calendar year return. Household Employers: File Sch. H with Form 1040 if you paid $1,700 or more to a household employee.
5/10/2010
File Form 941 for the first quarter of 2010 if you timely deposited all required payments.
6/15/2010
Individuals: Pay the second installment of estimated tax for 2010. Corporations: Deposit the second installment of your 2010 estimated tax. Individuals outside the U.S.: File 2009 Form 1040.
8/10/2010
File Form 941 for the second quarter of 2010 if you timely deposited all required payments.
9/15/2010
Individuals: Pay the third installment of your estimated tax for 2010. Partnerships: File 2009 Form 1065 if you timely requested a 5-month extension. Corporations: File calendar year 2009 Form 1120 or 1120S if you timely requested a 6-month extension.
10/15/2010
Individuals: File 2009 Form 1040, 1040A, or 1040EZ If you timely requested a 6-month extension. Electing Large Partnerships: File 2009 Form 1065 if you timely requested a 6-month extension.
11/10/2010
File Form 941 for the third quarter of 2010 if you timely deposited all required payments.
12/15/2010
Corporations: Deposit the fourth installment of your estimated tax for 2010.
