Complete this form if you want to give us permission to talk to someone else (like a friend or family member) about your child support case. How to Calculate Child Support Payments in Massachusetts.To fill out the Worksheet you need to have income and expense information for both parents. Use the other parent's Financial Statement if you have it. This form explains the benefits of directly depositing child support to a checking or savings account. It includes a Direct Deposit Authorization form. Instructs employers and federal agencies on how to process income withholding orders including examples of calculations. To sign up for direct deposit: Fill out the Direct Deposit Application Form and mail it to the address found on the top left hand corner of the application. Minnesota's child support program requires parents who receive child support payments to use direct deposit. Massachusetts Department of Transitional Assistance.