Whenever the trustee in any county of this Commonwealth has purchased real estate at a tax sale, it shall hold the title thereto in trust for itself and the other taxing authorities having tax claims against such real estate, and so long as it holds title to said real estate and collects rents therefrom, it shall make distribution of such rentals to and among the several taxing authorities according to their respective interests therein without unreasonable delay.
72 P.S. § 6154.2