|Class 1 - Vitals||Records essential to the continued life of the business. These records are irreplaceable because they give evidence of legal status, ownership, and financial status. Vital records are generally housed in active records storage.||Accounts receivable |
|Fire resistant vaults |
Fire resistant safes/cabinets
|Class 2 -Important||Records necessary to the continued life of the business. While these records can be replaced or reproduced, this can be done only at considerable time and money. Important records can be housed in either active or inactive storage.||Accounts payable |
|Class 3 - Useful||Records useful to the uninterrupted operation of the business. These records are replaceable although their loss could cause temporary inconvenience.||Bank statements |
|Class 4 - Nonessential||Records having no present value and should be destroyed.||Requests answered |
|Use, then destroy|
Source: Gordon P. McKinnon, editor. Fire Protection Handbook, 15th ed. (Boston : National Fire Protection Association, 1981).