The Department welcomes questions, comments and suggestions. However, to safeguard your privacy, do not send confidential information (e.g., your Social Security number(s) or other specific information). If you choose to disregard this warning, be aware that the Massachusetts Department of Revenue is not responsible if confidential information which you sent to this e-mail address is accessed by third parties. If you have specific questions about your situation, please call Child Support Customer Service at 800-332-2733.