Believe it or not, some people make it through tax-filing season without any hassle. That's because the Internal Revenue Service doesn't require them to file taxes. Unfortunately, most of us aren't that lucky. So just who has to file a tax return?
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Tax filing earnings thresholds for 2010 taxes
Filing status Younger
than 65 65 or older
Single $9,350 $10,750
Head of household $12,050 $13,450
Married filing jointly $18,700 $19,800
Qualifying widow/widower with dependent child $15,050 $16,150
Married filing separately $3,650 $3,650
File a return
Three things must be considered when determining whether you have to file a return: your age, your filing status and your income. Generally, once you reach a certain income level, the law requires you to file. The amounts are adjusted annually for inflation.
The income amounts also are based on taxpayer age on the last day of the tax year.
Individuals younger than age 65 must file if they make certain amounts. The earnings threshold amounts go up a bit for older (65-plus) individuals.
Regardless of age, the earnings target is the same for married couples who file separate tax returns.
In most situations, your age for tax purposes depends on how old you were on the last day of the year. But when it comes to determining whether you have to file a return, the IRS says if you turned 65 on New Year's Day, you are considered to be 65 at the end of the previous tax year. The one-day grace period allows you to use the higher income thresholds to determine whether you must file a tax return.
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Dependents and filing
The IRS also has different rules for dependents who earn money. And even though it's children we're usually talking about, the IRS doesn't make it easy, setting different earning standards for the two types of income -- unearned or earned -- that trigger filing requirements.
Generally, a child must file a return and pay tax due. But the amounts that trigger the filing depend on the type of income:
* Earned, generally characterized as a salary, wages or tips. It also includes taxable scholarships and fellowship grants.
* Or unearned, which includes investment interest or dividends, capital gains, unemployment benefits and some trust distributions.
The amount of each type of earnings that triggers a young person's filing requirement is adjusted each year for inflation and is calculated using a formula that factors in the annual standard deduction amount.
Older individuals and persons of any age who are blind also must make some extra calculations to determine if they need to file a Form 1040.
Don't forget about self-employment earnings, whether you're a teenager running a neighborhood lawn service or an adult with a 10-person manufacturing operation. This money counts toward determining if you have to file a return, regardless of whether it was your sole source of income or just an occasional side job to make a little extra cash.
If your annual gross self-employment income is at least as much as the income level for your filing status, you have to send in a 1040 and Schedule C or C-EZ reporting your earnings.
You also must file a Schedule SE to pay self-employment tax if your net earnings exceed $400.
When it pays to file
For those few who don't legally have to file, it sometimes pays to send in a return anyway.
This is the case for individuals who don't earn much but might be eligible for the earned income tax credit. This benefit is available to qualified individuals even if they owe no tax, meaning they would get money back from the federal government. Many people think the credit is available only to parents. It's not. But the credit amount is greater for eligible low-wage taxpayers with children.
Plus, the IRS says that most individual taxpayers are due a tax refund. But the only way they can get that cash is to send in a 1040, 1040A or 1040EZ.
You can check out the filing requirements section of IRS Publication 17 for more details on specific filing circumstances.