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Information about Form 6251, Alternative Minimum Tax - Individuals, including recent updates, related forms and instructions on how to file. Form 6251 is used by individuals to figure alternative minimum tax. Use this form to figure the amount, if any, of your alternative minimum tax (AMT).

A page that includes a description of a Withholding Agent.

Information about Form 1042, Annual Withholding Tax Return for U.S. Source Income of Foreign Persons, including recent updates, related forms, and instructions on how to file. Use Form 1042 to report tax withheld on certain income of foreign persons.

Get a business tax transcript online in your business tax account or by mail with Form 4506-T.

Find IRS mailing addresses to file forms beginning with the number 8.

Use this tool to get an EIN directly from the IRS in minutes for free. Answer questions, submit the application and, if approved, we¡¯ll issue your EIN immediately online.

One of the advantages of operating your own business is hiring family members. However, the employment tax requirements for family employees may vary from those that apply to other employees.

Listing of application privacy impact assessments (PIAs). Approved PIAs provided in HTML and downloaded PDF format.

This section describes certain essential concepts involved in the taxation of aliens.

Information about Form 8288, U.S. Withholding Tax Return for Dispositions by Foreign Persons of U.S. Real Property Interests, including recent updates, related forms and instructions on how to file. A buyer or other transferee of a U.S. real property interest, and a corporation, qualified investment entity, or fiduciary that is required to withhold tax, file this form to report and transmit the amount withheld.