
What Form 1040-C (2020) Is For
Form 1040-C (2020) is used by individuals who must obtain a tax clearance certificate before leaving the United States. It helps the IRS review tax obligations, verify liabilities, and ensure taxes are properly paid or estimated for the year. It also allows a taxpayer to receive a certificate confirming compliance with federal rules.
The IRS Form 1040-C 2020 requires individuals to present identification, including a Social Security Number or ITIN, and submit information on income and deductions. The treasury department may request additional data, forms, or a copy of prior returns to complete the review. Banking institutions or government agencies may also require proof of tax clearance certificates for specific processes.
For a detailed breakdown of filing requirements, eligibility rules, and step-by-step instructions, see our comprehensive Form 1040-C: U.S. Departing Alien Income Tax Return (2020) – A Complete Guide.
When You’d Use Form 1040-C
Individuals use the form when requesting tax clearance before departing the country. The certificate confirms that all taxes owed or expected for the year have been paid or properly calculated. The process helps protect federal tax revenue and ensures the taxpayer remains compliant before leaving.
The form applies when individuals earn U.S. income, operate a business, or are required to provide proof of payment to employers or agencies. New users may need to create an IRS account, register on the webpage, and follow the instructions before scheduling assistance. Users may also need to update or verify their information if directed to do so by the department.
Key Rules or Details for 2020
Residency status determines how income is reported on IRS Form 1040 for 2020, and the form’s instructions explain how individuals should apply the rules for the year. Resident aliens report worldwide income, while nonresident aliens report U.S. source income and business-related earnings. Taxpayers must provide accurate data and follow each step carefully to ensure the filing is completed correctly.
Taxpayers must submit payment for any balance due when filing the form. The department requires certified funds for payments, and the amount paid is recorded in the taxpayer’s account for their 2020 return. The IRS may request a letter, additional resources, or updated documents if the information presented is incomplete.
For complete details on wage reporting, withholdings, and unemployment tax filings, see our guide for Individual Schedules.
Step-by-Step (High Level)
Step 1: Schedule an Appointment
Taxpayers must contact a Taxpayer Assistance Center to request an appointment. They may be directed to the IRS webpage or provided with an email resource for scheduling.
Step 2: Gather Required Information
Taxpayers must bring:
- A valid passport and immigration documents
- A Social Security Number or ITIN letter that verifies their identity
- Prior-year tax returns and any letters mailed by the IRS
- Documents showing all income earned during the year
- Proof of taxes already paid.
- Records that support business income or expenses
- Documents that support deductions or credits claimed
Each item must be presented clearly so the IRS can review the information.
Step 3: Complete the Form
Taxpayers must follow the instructions provided with the form to determine their residency classification, list dependents, provide income details, and calculate liabilities. The form applies different tax rules depending on the filer’s residency status.
Step 4: Submit the Form and Make Payment
Taxpayers must submit the completed form and supporting documents at their scheduled appointment. Payment for any remaining tax balance must be made simultaneously. After review, the IRS issues the certificate if all requirements are satisfied.
Learn more about federal tax filing through our IRS Form Help Center or explore IRS assistance options
Common Mistakes and How to Avoid Them
Taxpayers frequently encounter issues when completing Form 1040-C, especially when preparing for a required tax clearance certificate. The following common mistakes can cause delays in filing or prevent the certificate from being issued on time.
- Filing too close to departure: Applying only a few days before leaving can lead to missed flights or delayed travel, since the IRS may need time to review data and request additional information from the taxpayer. Individuals should schedule assistance early and allow time for follow-up.
- Incorrect residency classification: Many taxpayers misunderstand the residency rules and select the wrong category when completing the form. Reviewing the IRS instructions carefully helps ensure the filing remains compliant and accurate.
- Missing documentation: Arriving without required records, such as a Social Security Number letter, income forms, or a copy of mailed IRS notices, can prevent the department from completing the review. Taxpayers should create a checklist and present all documents at the appointment.
- Overlooking treaty benefits: Some individuals ignore the application of tax treaty reductions, which can impact liabilities and taxes required to be paid before departure. Reviewing treaty resources and providing supporting documents helps ensure accurate reporting and compliance with relevant regulations.
- Incorrect identification information: Errors in the Social Security Number or ITIN information can delay processing and require additional steps. Taxpayers should verify all identification details and ensure the information is up-to-date before submitting the form.
What Happens After You File
After the form is submitted, the IRS reviews the information and issues a tax clearance certificate if the taxpayer is compliant. The certificate confirms that tax obligations for the year have been fulfilled. Individuals should keep a copy for reference in case it is requested by banking institutions, employers, or government agencies.
The certificate is not a final determination of the taxes owed; individuals must still file their 2020 tax return. Payments made with the form are credited to the taxpayer’s account when the return is filed. The IRS may contact the taxpayer via email or mail if additional information is required or needs to be updated.
FAQ
What is the purpose of IRS Form 1040-C 2020 for individuals leaving the United States?
The form helps a taxpayer request a tax clearance certificate before departure by confirming that taxes, liabilities, and required payment amounts have been appropriately reviewed and settled. Individuals must present accurate information, provide identification such as a Social Security Number, and submit supporting forms for department review.
How do individuals apply for a tax clearance certificate when requesting departure approval?
Individuals must apply by completing the form, scheduling an appointment for assistance, and submitting documents that verify income and tax obligations. The IRS may contact the taxpayer if updated data is needed. The certificate is issued once the information has been reviewed and payment has been made.
What documents should taxpayers present when filing IRS Form 1040-C 2020?
Taxpayers must provide identification, a Social Security Number or ITIN letter, income records, and any copies of mailed notices from the department. These documents help the IRS check liabilities, follow instructions, and confirm the taxpayer remains compliant before departure.
Can banking institutions or government agencies request tax clearance certificates?
Banking institutions and government agencies may request tax clearance certificates to confirm a taxpayer has satisfied all tax obligations for the year. They may need a copy of the certificate for account verification, business transactions, or other resources that require proof of compliant filing.
How will taxpayers receive updates after submitting the tax clearance form?
After individuals submit the form, the department may send an email or a mailed letter if additional data is needed. Taxpayers should check their accounts, follow any directed steps, and determine whether updated information or documents are required to complete the review.
For more resources on filing or understanding other IRS forms, visit our Form Summaries and Guides Library.

