WASHINGTON — The Internal Revenue Service today announced that interest rates will remain the same for the calendar quarter beginning Jan. 1, 2012. The rates will be:

  • three (3) percent for overpayments [two (2) percent in the case of a corporation];
  • three (3) percent for underpayments;
  • five (5) percent for large corporate underpayments; and
  • one-half (0.5) percent for the portion of a corporate overpayment exceeding $10,000.

The 3 percent rate also applies to estimated tax underpayments for the first calendar quarter in 2012 and for the first 15 days in April 2012.

Under the Internal Revenue Code, the rate of interest is determined on a quarterly basis. For taxpayers other than corporations, the overpayment and underpayment rate is the federal short-term rate plus 3 percentage points. Generally, in the case of a corporation, the underpayment rate is the federal short-term rate plus 3 percentage points and the overpayment rate is the federal short-term rate plus 2 percentage points.

The rate for large corporate underpayments is the federal short-term rate plus 5 percentage points. The rate on the portion of a corporate overpayment of tax exceeding $10,000 for a taxable period is the federal short-term rate plus one-half (0.5) of a percentage point. Further, the federal short-term rate that applies during the third month following the taxable year also applies during the first 15 days of the fourth month following the taxable year.

The interest rates announced today are computed from the federal short-term rate during October 2011 to take effect Nov. 1, 2011, based on daily compounding.

Revenue Ruling 2011-32, announcing the rates of interest, is attached and will appear in Internal Revenue Bulletin No. 2011-52, dated Dec. 27, 2011.

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Upcoming Tax Dates

August 10 Employees who work for tips
If you received $20 or more in tips during July, report them to your employer - Details

August 10 Social security, Medicare, and withheld income tax
File Form 941 for the second quarter of 2015. This due date applies only if you deposited the tax for the quarter timely, properly, and in full.

August 12 Communications and air transportation taxes under the alternative method.
Deposit the tax included in amounts billed or tickets sold during the first 15 days of July.

August 14 Regular method taxes
Deposit the tax for the last 16 days of July.

August 17 Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in July.

August 17 Nonpayroll withholding
If the monthly deposit rule applies, deposit the tax for payments in July.

August 26 Communications and air transportation taxes under the alternative method.
Deposit the tax included in amounts billed or tickets sold during the last 16 days of July.

August 28 Regular method taxes
Deposit the tax for the first 15 days of August.

August 31 Heavy highway vehicle use tax
File Form 2290 and pay the tax for vehicles first used in July.

August 31 Wagering tax
File Form 730 and pay the tax on wagers accepted during July.

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