Calendar
January 15, 2011
Due date for the fourth and final installment of 2010 estimated tax for individuals.
January 31, 2011
Employers must furnish 2010 W-2 statements to employees. Form 1099 information statements must be furnished to payees by payers.
March 15, 2011
2010 calendar-year corporation income tax returns are due.
April 1, 2011
Deadline to comply with IRA Required Minimum Distribution (RMD) rules if you became age 70 ½ in the year 2010.
April 15, 2011
Individual income tax returns for 2010 are due unless you file for an automatic extension. Taxes owed are due regardless of extension.
2010 partnership returns are due.
2010 annual gift tax returns are due.
First installment of 2011 individual estimated tax is due.
Deadline for making your 2010 Traditional, Roth or SEP IRA and Coverdell Education Savings Account contributions. (Contributions to a SEP-IRA may be delayed past April 15 provided an extension is filed).
June 15, 2011
Second installment of 2011 individual estimated tax is due.
September 15, 2011
Third installment of 2011 individual estimated tax is due.
October 1, 2011
Final day for a small business to establish a SIMPLE-IRA retirement plan for the tax year 2011. (This deadline does not apply to a new employer that comes into existence after October 1, 2011 if the new employer establishes the SIMPLE-IRA plan as soon as possible.)
October 15, 2011
Deadline for filing your 2010 individual tax return if you filed for an extension of the April 15th deadline.
Deadline for re-characterizing (undoing) a Roth IRA conversion which was made in 2010.
December 31, 2011
Deadline for "converting" Traditional IRA proceeds to Roth IRA accounts for the tax year 2011.
Final day to establish a qualified retirement plan (401(k), Profit Sharing, Defined Benefit, etc.) for the tax year 2011.
Final day for Colorado residents to establish and/or contribute to a Scholars Choice 529 College Savings Program to qualify for a State of Colorado income tax deduction for the year 2011.
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