389 A.2d 243 Mark A. Rinehart, Petitioner v. Commonwealth of Pennsylvania, Unemployment Compensation Board of Review, Respondent. Commonwealth Court of Pennsylvania.Argued March 3, 1978 July 26, 1978. Unemployment compensation — Voluntary termination — Unemployment Compensation Law, Act 1936, December 5, P.L. (1937) 2897 — Burden of proof — Cause of a necessitous and compelling nature […]