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  1. Limited liability company (LLC) - Internal Revenue Service

    Oct 9, 2025 · Review information about a Limited Liability Company (LLC) and the federal tax classification process.

  2. Single member limited liability companies | Internal Revenue Service

    Review information about the Limited Liability Company (LLC) structure and the entity classification rules related to filing as a single-member limited liability company.

  3. LLC filing as a corporation or partnership - Internal Revenue Service

    Review information about the Limited Liability Company (LLC) structure and the entity classification rules related to filing as a corporation or partnership.

  4. Limited liability company - Possible repercussions | Internal Revenue ...

    Aug 21, 2025 · If the single-member disregarded LLC is owned by a corporation or partnership, the activities of the LLC should be reflected on its owner’s federal tax return as a division of the …

  5. Starting a business - Internal Revenue Service

    Find federal tax information for people starting a business, and information to assist in making basic business decisions.

  6. Operating a business | Internal Revenue Service

    Aug 12, 2025 · This section provides procedures for getting out of business, including what forms to file and how to handle additional revenue received or expenses you may incur.

  7. S corporations - Internal Revenue Service

    In order to become an S corporation, the corporation must submit Form 2553, Election by a Small Business Corporation signed by all the shareholders. See the Instructions for Form 2553 PDF for all …

  8. Get an employer identification number | Internal Revenue Service

    If you are forming a legal entity (LLC, partnership, corporation or tax exempt organization), form your entity through your state before you apply for an EIN. If you don’t form your entity with your state first, …

  9. Report beneficial owner information - Internal Revenue Service

    FinCEN's beneficial ownership information pages provide: Answers to frequently asked questions Infographics about key filing dates PDF An introductory video and more detailed informational video …

  10. Corporations | Internal Revenue Service

    Feb 21, 2025 · Find tax information for corporations including compliance, filing requirements, the examination process, FATCA, uncertain tax positions and e-file.