To apply online, you'll need to fill out a child support online application. Once you've applied for services, you can also go online to:Learn more about the process of filing for, changing, and requesting child support, as well as the guidelines that determine child support. 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. 'Cavanagh' makes clear concurrent alimony and child support orders are allowed and implements an analysis Massachusetts judges must follow. All child support forms are categorized and linked below as downloadable files. Select the category you need to see the corresponding forms. To calculate how much child support you should pay or receive, simply fill in the following information and click "Calculate". The remarriage of the recipient terminates the payor's obligation automaticallythe payor is not required to file a motion to terminate alimony.