U.S. Individual Income Tax Return 1040 — Tax Year
2012 Checklist
Form 1040 for 2012 serves as the primary vehicle for reporting federal income tax for U.S.
citizens and residents. The form incorporates the 2012 standard deduction thresholds and requires a Schedule A attachment for taxpayers who itemize deductions.
Nonresidents and dual-status aliens must use Form 1040NR instead of Form 1040, as this reference guide applies exclusively to U.S. residents and citizens filing the standard individual income tax return. Your filing status determines your standard deduction amount and tax rates for 2012.
Essential Document Collection
You must gather all income documents before beginning your tax return preparation. Form W-2 reports wages, salaries, and tips from your employer, and you must attach Copy B to your return if you file by mail. Gather all Forms 1099 that apply to you, including Form 1099-INT for interest income, Form 1099-DIV for dividends, Form 1099-MISC for miscellaneous income, Form
1099-G for unemployment compensation and state tax refunds, and Form 1099-R for distributions from pensions and retirement accounts. Partnership and S corporation owners need Schedule K-1 from Form 1065 or Form 1120-S to report their share of business income, deductions, and credits.
Filing Status and Income Reporting
The five filing status options include single, married filing jointly, married filing separately, head of household, and qualifying widow or widower with a dependent child. You must verify that your standard deduction amount matches the correct 2012 thresholds based on your filing status, age, and whether you qualify as blind under Internal Revenue Service definitions.
Report wages, salaries, and tips from Form W-2 on line 7 of Form 1040. Interest income appears on line 8a, while tax-exempt interest goes on line 8b, even though it does not count as taxable income. Ordinary dividends from Form 1099-DIV belong on line 9a, and qualified dividends that receive preferential tax rates belong on line 9b. Each income type requires accurate reporting to calculate your correct tax liability.
Business and Self-Employment Income
Self-employed individuals must complete Schedule C or Schedule C-EZ to report profit or loss from business operations. The net profit or loss from Schedule C transfers directly to line 12 of
Form 1040 and becomes part of your adjusted gross income calculation.
Schedule SE becomes mandatory when your net earnings from self-employment exceed the applicable 2012 threshold, as you must calculate and pay self-employment tax covering both
Social Security and Medicare taxes. Farmers report income and expenses on Schedule F, with the net farm income or loss transferring to line 18 of Form 1040.
Capital Gains and Investment Income
Capital gains and losses require Schedule D when you sell stocks, bonds, mutual funds, or other capital assets during the tax year. Long-term capital gains receive preferential tax treatment under 2012 rates, providing significant tax savings compared to ordinary income rates.
Above-the-Line Deductions
Several deductions reduce your income before you calculate adjusted gross income. Educator expenses up to the 2012 limit appear on line 23 for eligible teachers who purchase classroom supplies. The student loan interest deduction goes on line 33, subject to 2012 income phaseout limits that gradually reduce the deduction as your modified adjusted gross income increases.
The tuition and fees deduction requires Form 8917 and is reported on line 34, but it phases out at specific 2012 income levels.
Standard Deduction or Itemized Deductions
You must choose between claiming the standard deduction on line 40 or itemizing deductions on Schedule A. The standard deduction amount varies by filing status and increases if you reach age 65 or older by the end of 2012 or if you qualify as blind.
Itemized deductions include medical expenses exceeding the percentage threshold, state and local income taxes or sales taxes, mortgage interest reported on Form 1098, charitable contributions, and various miscellaneous deductions subject to limitations. Schedule A provides
the framework for calculating your total itemized deductions, which you compare against your standard deduction amount.
You claim whichever option produces the lower tax liability, as the Internal Revenue Service allows you to choose the most beneficial method. Partnership income, S corporation distributions, rental real estate income, and trust income all require Schedule E completion.
Tax Credits Reduce Your Tax Liability
Tax credits directly reduce the amount of income tax you owe, making them more valuable than deductions. The child tax credit appears on line 51 and may require Schedule 8812 if you qualify for the additional child tax credit portion.
The earned income tax credit goes on line 64 and requires Schedule EIC when you have qualifying children. Education credits include the American Opportunity Credit and Lifetime
Learning Credit, both claimed using Form 8863 and reported on line 49, but these credits phase out at specific 2012 income levels described in IRS Publication 970.
Residential energy credits for qualified improvements appear on line 52 and require Form 5695.
The retirement savings contributions credit uses Form 8880 and helps lower-income taxpayers who contribute to retirement accounts.
Filing Status Restrictions on Credits
Married taxpayers filing separately face significant restrictions on the tax credits they can claim.
If you file as married filing separately, you cannot claim the earned income tax credit, the child and dependent care credit (Form 2441), or education credits, including the American
Opportunity Credit and the Lifetime Learning Credit.
The adoption credit may still be available in some married filing separately situations, but it has no refundable portion for 2012 because the credit was no longer refundable after 2011. These restrictions apply regardless of citizenship status or residency classification.
Other Taxes and Additional Amounts Due
Line 56 captures the self-employment tax calculated on Schedule SE, which covers Social
Security and Medicare obligations for self-employed individuals. Unreported Social Security and
Medicare tax from tips or certain wages requires Form 4137 or Form 8919.
Additional tax on early distributions from IRAs and other retirement plans appears on line 58 and requires Form 5329 unless an exception applies. Household employment taxes go on line
59a and require Schedule H when you pay domestic workers above the annual threshold.
Payments and Refundable Credits
Federal income tax withheld from Forms W-2 and 1099 is reported on line 62 and represents the amounts your employer or payer sent to the Internal Revenue Service throughout the year.
Estimated tax payments made during 2012, plus any overpayment applied from your 2011 return, belong on line 63.
Line 64a reports the earned income tax credit, which provides refundable benefits to qualifying lower-income workers. The additional child tax credit from Schedule 8812 appears on line 65 and represents the refundable portion of the child tax credit.
Line 66 reports the American Opportunity Credit from Form 8863, with 40% of this education credit available as a refundable credit. Line 70 reports the credit for federal tax on fuels, which generally requires Form 4136 for taxpayers who paid federal excise taxes on fuels used for nontaxable purposes.
Signature and Filing Requirements
Both spouses must sign Form 1040 when filing a joint return, with signatures required on the designated lines at the bottom of page two. You must attach all required schedules in the order specified by the 2012 instructions, including Schedule C or C-EZ, Schedule D, Schedule A,
Schedule SE, Form 8863, Schedule 8812, Schedule EIC, and all Schedule K-1 forms received from partnerships or S corporations.
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