What records should businesses keep for payroll taxes?

Payroll Tax Recordkeeping Requirements in Massachusetts

Maintaining accurate payroll tax records is essential for compliance with Massachusetts state regulations and federal requirements. Proper recordkeeping supports correct tax reporting, audit readiness, and efficient payroll management.

Key Records to Keep for Payroll Taxes

• Employee Information: Full name, address, Social Security number, and date of hire.
• Payroll Registers: Detailed records of wages, hours worked, pay periods, and pay dates for each employee.
• Tax Withholdings: Documentation of federal and state income tax withheld, including Massachusetts state income tax and any local taxes.
• Employer Tax Contributions: Records of Massachusetts unemployment insurance (UI) taxes, state disability insurance (SDI) contributions, and federal payroll taxes such as Social Security and Medicare.
• Tax Filings and Payments: Copies of all payroll tax returns filed (e.g., Massachusetts Form M-941) and proof of tax payments made to state and federal agencies.
• Employee Tax Forms: W-4 forms for federal and state withholding, and year-end forms such as W-2s provided to employees.
• Benefits and Deductions: Records of any voluntary or involuntary deductions, including health insurance premiums, retirement contributions, wage garnishments, and other authorized withholdings.

Retention Periods and Best Practices

• As of 2026, Massachusetts employers should retain payroll tax records for at least four years to meet state and federal audit and reporting requirements.
• Keep digital and physical copies organized and secure to facilitate quick retrieval during audits or compliance reviews.
• Use payroll automation software to streamline recordkeeping, reduce errors, and ensure timely tax filings.
• Regularly review payroll records to verify accuracy in tax withholdings and employer contributions.
• Coordinate recordkeeping with bookkeeping and accounting systems for comprehensive financial oversight.