Filing Taxes With An ITIN Number: A Step-By-Step Guide
Quick answer
- You can file U.S. federal income taxes with an Individual Taxpayer Identification Number (ITIN).
- An ITIN is issued by the IRS to individuals who need a U.S. taxpayer identification number but do not have and are not eligible to obtain a Social Security Number (SSN).
- You’ll need to gather specific documentation, including your ITIN, income statements, and proof of any deductions or credits.
- Choose a filing status that accurately reflects your situation.
- File your tax return by the annual deadline, typically April 15th, or request an extension if needed.
- Consider using tax software or a tax professional experienced with ITIN filers.
What to check first (before you file or change withholding)
Filing Status
Your filing status determines your tax rate, standard deduction, and eligibility for certain credits. Common statuses include Single, Married Filing Separately, Married Filing Jointly, Head of Household, and Qualifying Widow(er). If you are married and both you and your spouse have ITINs, you may be able to file jointly. If one spouse has an SSN and the other has an ITIN, you can elect to treat the ITIN holder as having an SSN for tax purposes and file jointly. If you are married and your spouse does not have an SSN or ITIN, you generally must file as Married Filing Separately unless you qualify for the election to treat your spouse as having an SSN.
Income Sources
Identify all sources of income earned during the tax year. This includes wages from employment (even if paid in cash or without an SSN), freelance or self-employment income, interest, dividends, rental income, and any other taxable income. You will receive various tax forms from payers, such as Form 1099-NEC for nonemployee compensation or Form 1099-INT for interest income, which report your earnings. If you are self-employed, you are responsible for tracking your income and expenses.
Withholding or Estimated Payments
If you are an employee, your employer may withhold taxes from your paychecks. If you are self-employed or have significant income from other sources, you may need to make estimated tax payments throughout the year to avoid penalties. These payments are typically made quarterly using Form 1040-ES, Estimated Tax for Individuals. If you received income without withholding, you will likely owe taxes when you file your return.
Deductions and Credits
Deductions reduce your taxable income, while credits directly reduce your tax liability. Common deductions include those for business expenses, student loan interest, and certain medical expenses. Common credits include the Child Tax Credit, Earned Income Tax Credit (EITC), and education credits. Eligibility for many credits depends on your income, filing status, and specific circumstances. Some credits may not be available to ITIN filers, so it’s important to research which ones apply to you.
Deadlines and Extensions
The primary tax deadline for U.S. federal income taxes is typically April 15th each year. If this date falls on a weekend or holiday, the deadline is the next business day. If you cannot file by the deadline, you can request an automatic six-month extension to file by submitting Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return. An extension to file is not an extension to pay; any taxes owed are still due by the original deadline to avoid penalties and interest.
Step-by-step (simple workflow)
1. Obtain your ITIN: If you don’t already have one, apply for an ITIN using Form W-7, Application for IRS Individual Taxpayer Identification Number, when you file your federal tax return.
- What “good” looks like: You have received a valid ITIN from the IRS.
- Common mistake: Sending original identification documents with Form W-7.
- How to avoid it: Use IRS-certified acceptance agents or mail your original documents (or certified copies from the issuing agency) with your application.
2. Gather Income Documents: Collect all documents reporting your income for the tax year, such as W-2s, 1099s, and any records of self-employment or other income.
- What “good” looks like: You have a comprehensive list and all corresponding forms for every source of income.
- Common mistake: Forgetting to report cash income or income from informal work.
- How to avoid it: Keep detailed records of all income received, regardless of the form it takes.
3. Gather Expense Records (if self-employed): If you are self-employed, collect all receipts and records for deductible business expenses.
- What “good” looks like: You have organized records of all business-related expenses that can reduce your taxable income.
- Common mistake: Not keeping receipts or proof of expenses.
- How to avoid it: Use a dedicated business account and a receipt-tracking system (digital or physical).
4. Determine Your Filing Status: Choose the filing status that best suits your personal circumstances (e.g., Single, Head of Household).
- What “good” looks like: You have selected the most advantageous filing status available to you.
- Common mistake: Choosing an incorrect filing status that results in higher taxes.
- How to avoid it: Review the IRS guidelines for each filing status to ensure you meet the requirements.
5. Identify Applicable Deductions and Credits: Research and identify any tax deductions or credits you qualify for based on your income, expenses, and personal situation.
- What “good” looks like: You’ve identified all potential deductions and credits to minimize your tax liability.
- Common mistake: Missing out on valuable credits like the EITC or education credits.
- How to avoid it: Use tax software that prompts you for this information or consult a tax professional.
6. Choose Your Tax Preparation Method: Decide whether to use tax software, a tax preparer, or prepare your return manually.
- What “good” looks like: You’ve chosen a method that you are comfortable with and that can handle ITIN filers.
- Common mistake: Using tax software not designed for ITIN filers, leading to errors.
- How to avoid it: Look for software or preparers that explicitly state they support ITIN filers.
7. Complete Your Tax Form (Form 1040): Fill out the appropriate tax form (typically Form 1040, U.S. Individual Income Tax Return) accurately and completely.
- What “good” looks like: Your tax form is filled out without errors, using your ITIN and all relevant income and deduction information.
- Common mistake: Typos in your ITIN or other personal information.
- How to avoid it: Double-check all personal details and your ITIN before submitting.
8. Review Your Return: Carefully review your entire tax return for accuracy before filing.
- What “good” looks like: You’ve found and corrected any potential errors or omissions.
- Common mistake: Filing a return with calculation errors or missing information.
- How to avoid it: Take your time and compare your return against your source documents.
9. File Your Return: Submit your completed tax return to the IRS by the deadline.
- What “good” looks like: Your return has been successfully submitted either electronically or by mail.
- Common mistake: Filing late without an extension.
- How to avoid it: Mark your calendar with the tax deadline and submit well in advance.
10. Pay Any Taxes Owed: If you owe taxes, make your payment by the deadline.
- What “good” looks like: Your tax payment has been received by the IRS on time.
- Common mistake: Not paying taxes owed by the deadline, leading to penalties.
- How to avoid it: Plan for potential tax liabilities and have funds ready for payment.
Common mistakes (and what happens if you ignore them)
| Mistake | What it causes | Fix