1 Pa. Code § 35.115
Nothing contained in these rules shall be construed as precluding a participant in a proceeding from submitting at any time offers of settlement or proposals of adjustment to all parties and to the agency, or to staff counsel for transmittal to the agency, or from requesting conferences for that purpose. Unaccepted proposals of settlement or of adjustment or as to procedure to be followed and proposed stipulations not agreed to shall be privileged and are not admissible in evidence against a counsel or person claiming such privilege.
1 Pa. Code § 35.115
This section cited in 7 Pa. Code §179.18 (relating to offers of settlement); 7 Pa. Code §179.60 (relating to prehearing and other conferences); 10 Pa. Code §3.10 (relating to prehearing conferences); 16 Pa. Code §42.75 (relating to conciliation meetings and prehearing conferences); 22 Pa. Code §121.191 (relating to approved lending institutions in Federal Stafford Loan, Federal PLUS Loan and Federal Consolidation Loan Programs); 25 Pa. Code §1021.105 (relating to prehearing conferences); 25 Pa. Code §1021.106 (relating to voluntary mediation); 34 Pa. Code §131.53a (relating to consolidated hearing procedure); 34 Pa. Code §131.57 (relating to compromise and release agreements); 34 Pa. Code §131.58 (relating to informal conferences); 34 Pa. Code §131.59 (relating to mediation); 34 Pa. Code §131.59a (relating to voluntary mediation); 34 Pa. Code §131.59b (relating to mandatory mediation); 34 Pa. Code §131.60 (relating to resolution hearings); 34 Pa. Code §131.203 (relating to hearing procedures); 34 Pa. Code §131.204 (relating to UEGF subpoenas and interrogatories); 37 Pa. Code §171.61 (relating to conciliation conference); 37 Pa. Code §171.81 (relating to prehearing conference); 37 Pa. Code §171.121 (relating to offers of settlement); 37 Pa. Code §197.46 (relating to prehearing conference); 37 Pa. Code §197.88 (relating to prehearing conference); 40 Pa. Code §15.43 (relating to prehearing memoranda or conferences); 52 Pa. Code §5.231 (relating to offers of settlement); 52 Pa. Code §1005.91 (relating to conferences generally); 58 Pa. Code §491a.9 (relating to prehearing and other conferences); 61 Pa. Code §703.11 (relating to compromise generally); and 61 Pa. Code §703.21 (relating to prehearing conference).