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All about the auditor

March 28, 2007

A story I did on tax audits is running over at Bankrate. It details some of the things that might make an IRS examiner look twice or more at your return.

Tax_audit3_2_2
For example, things like income other than basic W-2 wages, home-based business write-offs, noncash charitable deductions, excessive business use of your auto and large casualty losses are some pretty bright red flags.

That doesn’t mean you shouldn’t claim them if they’re legitimate. Just know that someone might come asking. So be sure you can back up your claim.

What’s the DIF? Because the IRS can’t audit every single return (thank God!), it uses some standard figures for comparison to see if a 1040 is way out of whack. Returns are rated
for audit using a mathematical formula called the discriminant
function system (DIF). Various weights are assigned to separate items
on each tax return, ranking returns for the
greatest potential error.

Say you live in a typical middle-America, middle-class neighborhood but are claiming tens of thousands more in mortgage interest payments than your neighbors. Either you are mortgaged and double-mortgaged to the hilt or you’re trying to slip something past the tax man.

The tax publisher CCH examined 2004 return stats and came up with these itemized deduction averages. The company emphasizes that these are for illustrative purposes only, so don’t necessarily think you’re fine if your Schedule A claims are in the same ballpark.

But the numbers can be useful as a general guide as to whether your deductions might seem out of line.

Preparing for an audit: If you do get audited, this story has some tips on how to survive it.

The one I found particularly interesting is do your homework. Did you know you can actually find out what the auditor might ask?

The IRS prepares audit technique guides for its examiners to use when questioning someone who is in, as the agency puts it, "a particular market segment." These guides are for business audits (although if you have rental real estate, you’ll want to check out the one on passive activity losses), but they still give you an idea of how comprehensive any audit might be.

For example, the 40-page guide for drywallers addresses issues that these folks would encounter in "their usual capacity of doing work as subcontractors and explains construction audit techniques in this contest." It covers things such as employment tax issues, business accounting methods (cash vs. accrual) and the varying income levels such individuals must deal with as the building industry booms and then slows down.

Fascinating, particularly if your profession is covered by one of the guides, and a little bit scary.

Audit amusement: Brian from Your Money Matters passed along this Jay Leno quip that I was saving for the Tax Glossary (and I still might include it there, too, when I finally get some time to work on it), but given this item’s topic, I just had to share it right now:

"Worried about an IRS audit?
Avoid what’s called a red flag. That’s something the IRS always looks for. For example, say you have some money left in your bank account after paying taxes. That’s a red flag.”

Share:

The More Tax Posts tab at the top of this page will take you to, well, more tax posts. You also can search below for a tax topic. 

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TAX-SAVVY WAYS 
TO WRAP UP 2026

It’s over! With October’s extended filing deadline behind us, it is now time to focus on year-end moves to reduce your 2026 tax bill. 

You’ll find ways to do just that on the Tax Tips page (see the More Tax Posts drop-down menu at the top of the blog), as well as the separate tax tip pages for each month, notably October through December. If you’re on the Tax Tips page, you’ll find a monthly list at the end of this column. If you’re on another blog page, you can head straight to the October tips; at the bottom of that tips page you’ll find links to all the other 11 months’ collections of tax advice.

Not to spoil what you’ll find in that tax advice, but it does cover such things as tax deductions for charitable donations, investment moves that could reduce tax due, and ways to max out your tax-favored retirement savings. 

Finally, as the year winds down, things get hectic. There are lots of other things to occupy our time, like the much more fun upcoming holidays. But don’t lose sight of taxes, since timing is key. To be of use, most tax moves must be made by the end of the tax year. That’s Thursday, Dec. 31, which also is the last business day of the year. 

So that you don’t miss that final tax year deadline, also keep an eye on the countdown clock below. It will keep you on top of just how much time is left to make important, tax-saving moves. (Note: I’m in the Central Time Zone, so adjust accordingly for where you live.)

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