1. The 15-year straight-line depreciation cost recovery period for leasehold improvements placed in service after Dec. 31, 2008, has been extended through 2009.
2. Deductions for energy-efficient upgrades in commercial buildings (not apartments) have been extended through 2013. Deductions are up to $1.80 per square foot for buildings achieving a 50 percent use reduction.
3. The cost of environmental remediation can still be deducted rather than capitalized for property placed in service after Dec. 31, 2007; this is extended through 2009.
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