Businesses using this break can write off one-half of the cost of new assets with useful lives of 20 years or less. Leasehold improvements made to the interiors of commercial realty are eligible, too. The other half of the cost is recovered via regular depreciation. With all of the gridlock in Congress, this easing may not be revived for 2014, so put assets in use by December 31.

(Kiplinger.com)