1. Bills
2. Invoices (purchase and sales)
3. Other vouchers
4. Write checks stub
5. Vendor payment record
6. Debit/credit notes
7. Stock statement
8. Bank statement
9. Sales related docs
10. Cancelled checks
11. Petty cash voucher
12. Certificate of registration and exemption (for exempted and non exempted sales)
13. Credit cards sales slips
14. Credit cards charge slips
15. Daily summary of cash receipts and payments
16. Employee records with salary and other benefits, withholding, time sheet etc
17. New hire details (for resident and non resident alien)
18. A voided company check from your payroll account
19. Your federal and states) employer identification number security numbers
20. Employee pay rates and any optional deductions
21. Employee leave time accrual rates & balances if applicable
22. Information on any child support, tax liens or garnishments if applicable
23. Usable signature sample if applicable
24. Direct deposit enrollment form if applicable
25. copy of previous quarters 941 and state tax returns