Employment Identification Number | Payroll Taxes | Federal Income Taxes | Self-Employment Tax | State Taxes | Local Taxes | Sales and Use Tax

Different business structures (sole proprietorship, partnership, corporation, or limited liability company) have different income tax requirements regarding filing dates, forms required, and tax rates and calculations. The IRS lists the various business taxes and forms required for each legal structure:

• Sole Proprietorships
• Partnerships
• Corporations
• S Corporations
• LLCs or LLPs

Federal income tax is a pay-as-you-go tax. Business owners generally pay income taxes in quarterly estimated income tax payments. For more information on estimated income tax payments, refer to IRS Publication 505, Tax Withholding and Estimated Tax.