Choosing a Business Structure: Should you be an LLC, Corporation, or Sole Proprietor? To help you decide Click Here. Important Dates - Calendar year: March 15 - Corporation returns due April 15 - Individual returns and Partnership returns due May 15 - Exempt Organization return due September 15 - Partnership extensions due September 15 - Corporate extensions due October 15 - Individual extensions due Estimated Tax Payments - April 15, June 15, September 15, January 15 (If any due date falls on a weekend or legal holiday, the next business day meets the requirement)

Record Keeping Reminders:

Mileage - Mileage log should be used for business related travel
Retention Periods for various documents:

• 7 years - Bank statements, Invoices/PO's, Ledgers, Sales records, Payroll records
• Permanent - Audit Reports, Bill of Sales, Cancelled checks- important, Cash books, Chart of Accounts, Deeds,/Mortgages, Inherited property records, Insurance records, Journals, Director/Stockholder minute books, Property records/appraisals