Subsidiary ledgers.....................................................................7 years
Tax returns and worksheets, revenue agents reports, and other documents related to determination of income tax liability.........................Permanently
Time books/cards......................................................................7 years
Trademark registrations and copyrights........................ Permanently
Training manuals.............................................................Permanently
Union agreements...........................................................Permanently
Voucher registration and schedules........................................7 years
Vouchers for payments to vendors, employees, etc. (includes allowances and reimbursement of employees, Officers etc. for travel and entertainment exspenses.........................................7 years
Withholding tax statements......................................................7 years