A responsible parent may request an administrative hearing to amend a decision prospectively based on a substantial change of circumstances. The Department may seek to amend a decision prospectively based on a substantial change of circumstances by using the same process permitted by this chapter for establishing a support obligation. When seeking to amend an administrative decision, the Department shall state in its initial notice that the purpose of the proceeding is to amend the responsible parent's support obligation based on a substantial change of circumstances.
10- 144 C.M.R. ch. 351, § 8-15