Pennsylvania Statutes Title 77 P.S. Workers' Compensation § 1603. Partial invalidity

If any provision of this act shall be held by any court to be unconstitutional, such judgment shall not affect any other section or provision of this act, except that articles  1 two and three  2 are hereby declared to be inseparable and as one legislative thought, and if either article be declared by such court void or inoperative in an essential part so that the whole of such article must fall, the other article shall fall with it and not stand alone.