72 Pa. Stat. § 6043
When any treasurer, who shall have made sale of unseated lands, as aforesaid, shall die or be removed from office, or when the term of office of such treasurer shall have expired, before any deed or deeds are executed by him to the purchaser or purchasers, then, and in every such case, it shall be the duty of the treasurer, for the time being, to perfect such title and execute a deed or deeds to the purchaser or purchasers, and they are hereby empowered and required, upon the full discharge and payment of the money or price for which the said lands were sold, with such cost and charges as remain unpaid to the former treasurer, to make, execute and acknowledge any deed or deeds, and to perform and do all other matters and things that by the former treasurer might, could or ought to have been performed or done, which, when done, shall be held and adjudged as effectual in law as if the title had been completed by the former treasurer; and any deed or deeds heretofore executed by any treasurer in accordance with this section are hereby validated.
72 P.S. § 6043