34 Pa. Code § 131.91
(b) The judge may issue a decision based on stipulations of fact, if the judge is satisfied that:
The provisions of this § 131.91 amended under sections 401.1, 435(a) and (c) and 1608 of the Workers’ Compensation Act (77 P. S. § § 710, 991(a) and (c) and 2708); section 2205 of The Administrative Code of 1929 (71 P. S. § 565); and section 414 of The Pennsylvania Occupational Disease Act (77 P. S. § 1514).
The provisions of this § 131.91 adopted November 6, 1981, effective November 7, 1981, 11 Pa.B. 4015; amended March 29, 1991, effective March 30, 1991, 21 Pa.B. 1401; amended December 6, 2002, effective December 7, 2002, 32 Pa.B. 6043; amended December 19, 2014, effective December 20, 2014, 44 Pa.B. 7837. Immediately preceding text appears at serial pages (346017) to (346018).
If a stipulation is part of an illegal settlement or is no more than an agreement approved by the referee, his decision thereon cannot be accorded res judicata. Spears v. Workmen’s Compensation Appeal Board, 481 A.2d 1244 (Pa. Cmwlth. 1984). (Editor’s Note: The court cited to former § 131.56 which dealt with stipulations of fact.)