64 Pa. Stat. § 155
Every actual settler who had commenced an actual settlement and residence on a tract of land heretofore surveyed on an original warrant, adverse to the warrantees, and who has been evicted therefrom by process of law at the suit of the warrantee or his legal representatives, shall be entitled to all the benefits of an actual settler, under this act and the act of April 3, 1972, and upon the warrantee or his legal representatives releasing to such settler or his legal representative one hundred and fifty acres of said tract and the usual allowance to be surveyed and laid off by the proper deputy surveyor, including said settler's improvement clear of expense, or in cases where either party shall purchase the right or claim of the other to said tract of land, in such case, the commonwealth shall cease to have any further claim to said tract, but the title shall be ratified and confirmed to the said settler and warrantee accordingly.
64 P.S. § 155