Massachusetts (MA)
Withholding
- M-941 (Employer's Return of Income Taxes Withheld): This is a good source of information used to balance the amount of income tax withheld in prior quarters.
Unemployment
- Employment Wage and Detail Report: This is filed online. You can use a payroll report that contains the same data you would report. SSN, Employee Name, UI Gross Wages, Taxable Wages. UI Contribution, UHI Contribution and Workforce Training Fund amounts.