(a) A final settlement agreement reached, as a result of, mediation, that resolves an entire claim or any designated and severable portion of a claim, shall be in writing and signed by representatives of the contractor and HHSC who have authority to bind each respective party.(b) If the settlement agreement does not resolve all issues raised by the claim and counterclaim, the agreement shall identify the issues that are not resolved.(c) A partial settlement does not waive a contractor's rights under Texas Government Code, Chapter 2260, as to the parts of the claim that are not resolved.