Where some of the parties have reached a settlement of some or all of the issues, each party in the proceeding shall have the right to have a full hearing before a presiding officer on issues that remain in dispute and judicial review of issues that remain in dispute. An issue of fact raised by a nonsettling party cannot be waived by a settlement or stipulation of the other parties, and the nonsettling party may use the issue of fact raised by that party as the basis for judicial review.