WASHINGTON — The Internal Revenue Service today issued the 2012 optional standard mileage rates used to calculate the deductible costs of operating an automobile for business, charitable, medical or moving purposes.

Beginning on Jan. 1, 2012, the standard mileage rates for the use of a car (also vans, pickups or panel trucks) will be:

  • 55.5 cents per mile for business miles driven
  • 23 cents per mile driven for medical or moving purposes
  • 14 cents per mile driven in service of charitable organizations

The rate for business miles driven is unchanged from the mid-year adjustment that became effective on July 1, 2011. The medical and moving rate has been reduced by 0.5 cents per mile.

The standard mileage rate for business is based on an annual study of the fixed and variable costs of operating an automobile. The rate for medical and moving purposes is based on the variable costs as determined by the same study. Independent contractor Runzheimer International conducted the study.

Taxpayers always have the option of calculating the actual costs of using their vehicle rather than using the standard mileage rates.

A taxpayer may not use the business standard mileage rate for a vehicle after using any depreciation method under the Modified Accelerated Cost Recovery System (MACRS) or after claiming a Section 179 deduction for that vehicle. In addition, the business standard mileage rate cannot be used for more than four vehicles used simultaneously.

These and other requirements for a taxpayer to use a standard mileage rate to calculate the amount of a deductible business, moving, medical or charitable expense are in Rev. Proc. 2010-51.

Notice 2012-01 contains the standard mileage rates, the amount a taxpayer must use in calculating reductions to basis for depreciation taken under the business standard mileage rate, and the maximum standard automobile cost that a taxpayer may use in computing the allowance under a fixed and variable rate plan.

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Upcoming Tax Dates

June 1 Wagering tax
File Form 730 and pay the tax on wagers accepted during April.

June 1 Heavy highway vehicle use tax
File Form 2290 and pay the tax for vehicles first used in April.

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

June 10 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 May.

June 15 Individuals
If you are a U.S. citizen or resident alien living and working (or on military duty) outside the United States and Puerto Rico, file Form 1040 and pay any tax, interest, and penalties due. If you want additional time to file your return, file Form 4868 to obtain 4 additional months to file - Details

June 15 Individuals
Make a payment of your 2015 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 second installment - Details

June 15 Corporations
Deposit the second installment of estimated income tax for 2015 - Details

June 15 Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in May.

June 15 Nonpayroll withholding
If the monthly deposit rule applies, deposit the tax for payments in May.

June 25 Regular method taxes
Deposit the tax for the last 16 days of May.

June 29 Regular method taxes
Deposit the tax for the first 15 days of June.

June 30 Wagering tax
File Form 730 and pay the tax on wagers accepted during May.

June 30 Heavy highway vehicle use tax
File Form 2290 and pay the tax for vehicles first used in May.

June 30 Floor stocks tax for ozone depleting chemicals
(IRS No. 20). Deposit the tax for January 1, 2015.

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