• IRS letter of recognition
• Copy of State License
• Record of Furniture, Fixtures and Equipment and cost
• Record of Ownership (all partners/shareholders)
• Record of Installment Payments and Receivables (if applicable)

Simple Record Keeping System:

• Bank Statements & copies of cancelled checks
• Cash/Credit Card Receipts or reports for business expenses (necessary and ordinary to industry to operate and produce income); mileage log or gas/auto maintenance 
• Legal Documents
• Equipment & Vehicle Purchases
•  Installment Payment Agreements & Receivables.