WASHINGTON — The Internal Revenue Service today announced that interest rates will remain the same for the calendar quarter beginning Jan. 1, 2014. 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
  • One-half (0.5) percent for the portion of a corporate overpayment exceeding $10,000

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.

The interest rates announced today are computed from the federal short-term rate determined during Oct. 2013 to take effect Nov. 1, 2013, based on daily compounding.

Revenue Ruling 2013–25 announcing the rates of interest, is attached and will appear in Internal Revenue Bulletin 2013-52, dated Dec. 23, 2013.

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Upcoming Tax Dates

September 1 (Everyone)
Federal Holiday (Labor Day) - Details

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

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 - Details

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 - Details

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 - Details

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 - Details

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Deposit the third installment of estimated income tax for 2014 - Details

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