USA State Payroll Rates + Resources: State of Massachusetts
Purpose
The purpose of this documentation is to outline the 2021 payroll tax rates and submittal partners in the state of Massachusetts.
Good To Know!
We recommend that you make all payroll tax payments as soon as you process payroll.
Unemployment Insurance Reporting & Payments
For more details, see Unemployment Insurance Reporting & Payments.
State Income Tax Withholding
For more details, see Filing State Income Taxes, W-2s, and 1099s