Check out this handy list, from the folks at
Educators Expenses<P>IRC Sec. 62(a)(D)
What happens in 2014: Expires on Dec. 31, 2013
Cancellation of Debt -- Mortgage Debt <P>IRC Sec. 108(a)(1)(E)
What happens in 2014: Expires on Dec. 31, 2013
Mortgage Insurance Premiums Deduction <P> IRC Sec. 163(h)(3)
What happens in 2014: Expires on Dec. 31, 2013
Personal Energy Property Credit <P>IRC Sec. 25C
What happens in 2014: Expires on Dec. 31, 2013
Qualified Conservation Contributions <P>IRC Sec. 170(b)(1)(E)(vi), 170(b)(2)(B)(iii)
What happens in 2014: No special rules for qualified conservation contributions, so they are subject to the 30%-of-AGI limit and have a five-year carry-forward period.
Qualified Small Business Stock Gain Exclusion <P>IRC Sec. 1202(a)(4)
What happens in 2014: Gains on QSBS acquired after Dec. 31, 2013, qualify for a 50% gain exclusion [60% for QSBS issued by a qualified business entity (QBE)]. Also, a percentage of the excluded gain is an AMT preference item.
State and Local Sales Taxes Deduction <P>IRC Sec. 164(b)(5)
What happens in 2014: Expires on Dec. 31, 2013
Tuition and Fees Deduction <P>IRC Sec. 222
What happens in 2014: Expires on Dec. 31, 2013
Qualified Charitable Distributions <P>IRC Sec. 408(d)
What happens in 2014: Income exclusion for QCDs expires on Dec. 31, 2013
Qualified Leasehold, Restaurant and Retail Improvement Property<P>IRC Sec. 168(e)(3)(E)
What happens in 2014: All are assigned a 39-year (straight-line) recovery period.
Section 179 -- Deduction Limit <P>IRC Sec. 179(b), (c) and (d)
What happens in 2014: After 2013, the deduction and qualifying property limits are $25,000 and $200,000, respectively. Off-the-shelf software does not qualify for Section 179 expensing and the election generally is irrevocable with IRS consent.
Section 179Qualified Real Property<P>IRC Sec. 179(f)
What happens in 2014: Qualified real property is not eligible for Section 179 expensing.
Special (Bonus) Depreciation <P>IRC Sec. 168(k)
What happens in 2014: Special deprecation only available for long production-period property and certain aircraft.
Theres more!
The Differential Wage Payment Credit
The tax credit for new energy-efficient homes
The tax credit for 2- and 3-wheeled plug-in electric vehicles
The research credit for the cost of increasing research activity
The domestic producer deduction for Puerto Rican activities
The tax credit for alternative fuel vehicle refueling property
The Sec. 170(e)(3) donation of food inventory deduction
The monthly exclusion for transit passes and vanpooling
The Sec. 374(d)(7) S corp built-in gains provision
The Sec. 1367(a)(2) S corp shareholder basis adjustment for charitable contributions provision