What records should businesses keep for payroll taxes?

Payroll Tax Recordkeeping Requirements in Connecticut

Maintaining accurate payroll tax records is essential for Connecticut businesses to ensure compliance with state and federal tax laws. Proper recordkeeping supports smooth payroll operations, accurate tax filings, and readiness for audits.

Key Payroll Tax Records to Keep

• Employee Information: Full name, address, Social Security number, and date of hire for each employee.
• Payroll Registers: Detailed records of wages, hours worked, pay rates, and deductions for each pay period.
• Tax Withholdings: Documentation of federal and Connecticut state income tax withheld from employee wages.
• Employer Tax Contributions: Records of employer-paid payroll taxes including Social Security, Medicare, and Connecticut unemployment insurance contributions.
• Tax Filings and Payments: Copies of payroll tax returns filed with the IRS and Connecticut Department of Revenue Services, along with proof of payments made.
• Employee Tax Forms: W-4 forms for withholding allowances and W-2 forms issued to employees at year-end.
• Timekeeping Records: Timesheets or electronic records showing hours worked, especially for hourly employees.

Retention Periods and Best Practices

As of 2026, Connecticut businesses should retain payroll tax records for at least four years. This timeframe aligns with IRS and state audit periods and helps address any discrepancies or inquiries.

Consider implementing automated payroll systems to streamline recordkeeping, improve accuracy, and facilitate timely tax reporting. Consistent documentation also supports proper employee classification and compliance with wage and hour laws.