Form 1040 (2015): Individual Income Tax Return
Checklist
Filing a 2015 federal income tax return requires careful attention to income reporting, health coverage rules, deductions, and credits that applied before later tax law changes. This checklist is designed to help U.S. taxpayers complete current or past-due federal returns accurately, avoid penalties, and calculate the correct refund or balance due.
Who Should File a 2015 Federal Income Tax Return
U.S. citizens and resident aliens who earned income in 2015 generally must file a federal return using Form 1040. Nonresident aliens must instead use Form 1040NR or Form 1040NR-EZ, even if they received U.S. income reported on IRS forms such as 1099 forms.
Health Coverage Reporting Requirements for 2015
The Affordable Care Act required taxpayers to report health coverage for all household members on the federal tax return. This reporting affected eligibility for the premium tax credit and determined whether a shared responsibility payment applied for months without coverage.
Documents to Gather Before Filing
Collecting complete documentation before starting helps prevent processing delays and incorrect entries on the federal income tax return.
- Income statements: Taxpayers must gather Forms W-2, applicable 1099 forms, and
Social Security benefit statements to ensure all income is reported accurately and completely.
- Prior-year information: State tax forms and records showing a taxable state refund
calculation are needed when reporting refunds received during the 2015 tax year.
- Expense records: Documentation for medical, education, and business expenses
supports deductions and credits claimed on IRS forms.
Step-by-Step Filing Process
Step 1: Gather Income and Tax Documents
Review all income records, including wages, interest, dividends, and distributions on schedule-related forms. Confirm that amounts reported on IRS forms match your records before entering figures on the federal return.
Step 2: Report Gross Income
Enter wages, interest, dividends, business income, and other taxable amounts on Form 1040 using the Tax Instruction Booklet. Accurate entries help avoid IRS corrections and ensure the correct refund or balance due is calculated.
Step 3: Complete Health Coverage Reporting
Indicate full-year coverage on Form 1040 or attach Form 8965 to claim exemptions. Taxpayers who received advance payments must reconcile the premium tax credit accurately to avoid repayment issues.
Step 4: Choose Between Standard and Itemized Deductions
Compare the standard deduction calculation with itemized deductions on Schedule A. Itemized deductions may include medical expenses, personal property taxes, and certain sales on Form documentation.
Step 5: Claim Adjustments to Income
Report adjustments such as the self-employed health insurance deduction adjustment and educator expenses. These entries reduce adjusted gross income and may affect eligibility for income credit and other benefits.
Step 6: Calculate Adjusted Gross Income
Add all income amounts and subtract allowable adjustments to determine adjusted gross income. This figure directly affects credit amounts for taxpayers and the limitations applied throughout the federal tax return.
Step 7: Report Business Income and Self-Employment Tax
Complete Schedule C for business income and expenses on form lines, including sales of business property. Attach Schedule SE to calculate self-employment tax and report the deductible portion correctly.
Step 8: Claim Applicable Tax Credits
Attach credit forms only if eligibility requirements are met. Credits may include federal tax credits for fuels or other business credits allowed under the 2015 law.
Step 9: Calculate Total Tax and Payments
Determine total tax, subtract credits, and compare the result to withholding and estimated payments. This step identifies whether a federal refund is due or additional taxes must be paid.
- Electronic filing options: IRS Free File and File for Free programs allow eligible
- Paper filing considerations: Paper returns require accurate printing of form pages and
- Missing required schedules: Entries on Form 1040 often require supporting schedules,
- Unsigned returns: A federal return must be signed to be valid, and unsigned paper
- Incorrect refund calculations: Errors in withholding or credit entries may result in an
- Full IRS transcript retrieval (Wage & Income + Account)
- Professional tax form review
- Preparation & filing support
- Tax relief options if you owe the IRS
Step 10: Review, Sign, and Submit the Return
Verify entries on Form 1040 and attached schedules, then sign and date the return. Follow mailing instructions carefully when submitting paper returns to avoid processing delays.
Filing Method Options
Taxpayers may file electronically or submit paper forms, depending on preference and eligibility. taxpayers to submit federal forms electronically and receive faster federal refund processing. must be mailed using a reliable mailing service or security service to confirm timely delivery.
Extensions and Past-Due Returns
Taxpayers needing more time may request an extension of time to file, though payment deadlines still apply. Even if you can't make the full payment immediately, filing a past-due tax return promptly can reduce penalties and interest.
Common Filing Errors to Avoid and missing attachments can delay refunds or trigger IRS notices. returns are treated as unfiled for penalty purposes. erroneous refund and additional IRS review.
If you’re missing tax documents or want to ensure the numbers you enter match IRS records, we can help.
