Table of Contents

• Publication 509 - Introductory Material
  • Future Developments
  • Reminders
  • Introduction
    • Ordering forms and publications.
    • Tax questions.
  • Background Information for Using the Tax Calendars
    • Electronic deposit requirement.
    • Legal holidays.
    • Statewide legal holidays.
• Publication 509 - Main Content
  • General Tax Calendar
    • First Quarter
    • Second Quarter
    • Third Quarter
    • Fourth Quarter
    • Fiscal-Year Taxpayers
  • Employer's Tax Calendar
    • First Quarter
    • Second Quarter
    • Third Quarter
    • Fourth Quarter
  • Excise Tax Calendar
    • First Quarter
    • Second Quarter
    • Third Quarter
    • Fourth Quarter
  • How To Get Tax Help
    • Low Income Taxpayer Clinics (LITCs).
• Index