U.S. Department of the Treasury Forms

File this form if you are a foreign corporation and maintain an office within the United States in order to report your income, deductions, and credits to the Internal Revenue Service (IRS), as well as to figure your U.S. income tax liability.

Use this form if you are a corporation that operates on a cooperative basis, to report your information (such as income, gains, losses, deductions, and credits) to the Internal Revenue Service (IRS), and to figure your income tax liability.

File this form if you are the owner of a domestic life insurance company to report to the IRS on your income, deductions, and credits for the tax year, and to figure your income tax liability.

This form is filed by non-life insurance companies wishing to inform the Internal Revenue Service (IRS) of their income, deductions, and credits, as well as to figure their income tax liability.

This is a fiscal IRS form designed to specify a partner's distributive share of various items that have international tax relevance.

This is a formal statement prepared by a taxpayer who wants to confirm their right to receive a tax deduction upon property damage or loss they sustained if the reason for it was a casualty or theft.

This is a fiscal instrument used by a taxpayer to find out whether they are liable for paying a penalty after underpaying their estimated tax.

This is a fiscal document individual taxpayers need to prepare and file to demonstrate whether they need to pay the government penalties on education savings plans or retirement plans as well as a percentage of distributions they got throughout the tax year.