Massachusetts Directions on how to fill out the Form 110- English is a form used to report the withholding of Massachusetts income tax. The form is used by employers to report the withholding of income tax from employee wages. The form is also used by non-residents to pay Massachusetts income tax on income earned in Massachusetts. Instructions: 1. Fill out the top portion of the form. Enter your name and address as well as the name and address of the employer. 2. Enter the employee's name and Social Security number in the appropriate boxes. 3. Enter the employee's Massachusetts gross wages. 4. Enter the employee's Massachusetts income tax withholding. 5. Enter the employee's total Massachusetts income tax withheld. 6. Enter any additional amounts paid to the employee, such as bonuses and tips. 7. Enter any other information required by the form. 8. Sign and date the form. Types: 1. Form 110- Mass Resident — For residents of Massachusetts who have Massachusetts income tax withheld from their wages. 2. Form 110- Mass Non-Resident — For non-residents of Massachusetts who have Massachusetts income tax withheld from their wages.