The purpose of the US Department of Labor is to foster, promote, and develop the welfare of the wage earners, job seekers, and retirees of the United States; improve working conditions; advance opportunities for profitable employment; and assure work-related benefits and rights. It regulates the management and retention of employee records and submitted reports.
DOL (FLSA), 29 CFR 516.5 - Requires payroll records, contracts or collective bargaining agreements, and other information to be kept for 3 years.
DOL (FLSA), 29 CFR 516.6 - Requires basic business records to be retained for 2 years.
DOL (WPPDA), 20 CFR 10.410 - Reports under the Welfare and Pensions Plan Disclosure Act must be kept for 5 years.
DOL (ERISA). 29 CFR 4007.10 - Employment records relating to pension and benefit plans must be kept for 6 years.
DOL (OSHA), 29 CFR 1910.1020 - Data relating to employee exposure or safety records must be retained for 30 years.