While public libraries currently are not under Sarbanes-Oxley, the law provides guidance on minimum retention requirements that MHLS recommends libraries follow. The Sarbanes-Oxley Act addresses the destruction of business records and documents and turns intentional document destruction into a process that must be carefully monitored.
- The Sarbanes-Oxley Act and Implications for Nonprofits
- Sample Document Destruction Policy
Records Retention Schedule [National Council of Nonprofit Association]
Type of Document | Minimum Requirement |
Accounts Payable ledgers and schedules | 7 years |
Audit Reports | Permanently |
Bank Reconciliations | 2 years |
Bank Statements | 3 years |
Checks (for important payments and purchases) | Permanently |
Correspondence (general) | 2 years |
Correspondence (legal and important matters) | Permanently |
Correspondence (with customers and vendors) | 2 years |
Deeds, mortgages, and bills of sale | Permanently |
Depreciation Schedules | Permanently |
Duplicate Deposit Slips | 2 years |
Employment applications | 3 years |
Expense Analyses/ expense distribution schedules | 7 years |
Year End financial statements | Permanently |
Insurance Policies (expired) | 3 years |
Insurance records, current accident reports, claims, policies, etc. | Permanently |
Internal Audit reports | 3 years |
Inventories of products, materials, and supplies | 7 years |
Invoices (to customers, from vendors) | 7 years |
Minute books, bylaws, and charter | Permanently |
Patents and related papers | Permanently |
Payroll records and summaries | 7 years |
Personnel files (terminated employees) | 7 years |
Retirement and pension records | Permanently |
Tax returns and worksheets | Permanently |
Timesheets | 7 years |
Trademark registrations and copyrights | Permanently |
Withholding tax statements | 7 years |