Default classification flowchart · election toggles (SP / partnership / corp / S)
Pick how you form the business and which elections you file. The flowchart shows the default tax classification and what changes if you elect C or S status.
Visual: follow the highlighted path from formation → election → result.
Study tool only — not official IRS software. Figures labeled 2025 track law/forms through Dec 31, 2025. Confirm against current IRS pubs before the exam.