10 Common Tax Filing Mistakes

Mistake #6: Failing to Document Charitable Donations

For charitable donations of $250 or more, written acknowledgment from the charity is required. A canceled check is not sufficient. If your gift was one of property rather than cash, the acknowledgment must describe the property. When your noncash contribution exceeds $500, you also are required to file IRS Form 8283, Noncash Charitable Contributions, giving details of the donation.

Mistake #7: Omitting Social Security Numbers of Dependents

You MUST include on your return the Social Security number for all dependents. Also, to claim a child or dependent care credit, you must complete Form 2441 and indicate the care giver’s name, address and taxpayer identification or Social Security number.

Mistake #8: Making Math Miscalculations When Filing

Review your return to make sure that your math is correct. If you find a mistake, remember to recalculate other figures that are affected by the error.

Mistake #9: Failing to Calculate the Alternative Minimum Tax (AMT)

With every passing year more and more taxpayers discover, often to their great surprise, that they are subject to the alternative minimum tax (AMT). But many of the 16 million taxpayers who are predicted to become subject to the AMT for the first time over the next two years will not fill out the AMT form 6251 because they think it is only applicable to the very wealthiest individuals and couldn’t possibly apply to them. The result can be a nasty note from the IRS informing them they owe more money and, of course, interest on the underpayment.

Mistake #10: Assuming Itemizing Deductions Will Reduce Tax Bite the Most

Many taxpayers assume that itemizing deductions is going to result in the lowest federal obligation. However, that may not be true. For example, if you’ve paid down most of the interest on your home mortgage, which is the largest deduction most filers have, you may be better off taking the standard deduction. The standard deduction increases each year because it’s indexed for inflation. For 2006 returns, the standard deduction for married taxpayers filing jointly is $10,300, and for single it is $5,150.

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Alan L. Olsen, CPA, Wikipedia Bio

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