72 Pa. Stat. § 5971
In any and all cases where the county treasurer of any county of this Commonwealth, under the provisions of said act of Assembly, approved the ninth day of May, one thousand nine hundred and twenty-nine (Pamphlet Laws, one thousand six hundred eighty-four), entitled "An act authorizing and empowering the county treasurers of the several counties of this Commonwealth to sell at public sale all seated lands upon which taxes assessed on such seated lands by authority of any county, borough, town, township, school district, and poor district are delinquent and remain unpaid, and fixing penalties for such delinquency; authorizing county commissioners to purchase such lands under certain circumstances," did, prior to the repeal thereof, expose to public sale and sold any seated lands in this Commonwealth for said delinquent taxes, and the purchaser or purchasers paid to the county treasurer the amount of said delinquent taxes and costs for which the same was sold, but the county treasurer failed for any reason to make, execute, acknowledge, and deliver to the said purchaser or purchasers a deed for said lands prior to the repeal of said act approved the ninth day of May, one thousand nine hundred and twenty-nine (Pamphlet Laws, one thousand six hundred eighty-four), then, and in such case, the county treasurer in office may, within a period of six months after the approval of this act, the said purchaser or purchasers having first executed and delivered a proper bond for said surplus moneys as prescribed by the terms of said act, make, execute, acknowledge, and deliver a good and sufficient deed for said lands, so sold for delinquent taxes as aforesaid, to the said purchaser or purchasers as fully and to all intents and purposes as though said surplus bond had been given and said deed or deeds made, executed, acknowledged, and delivered prior to the repeal of said act.
72 P.S. § 5971