72 Pa. Stat. § 5951a
During the year one thousand nine hundred and thirty-three, no county of the fourth class, and no county treasurer of any such county, shall have authority under existing law to expose to sale any seated or unseated lands for nonpayment of taxes, and all existing laws authorizing county treasurers to sell seated and unseated lands for delinquent taxes at any time during the year one thousand nine hundred and thirty-three are hereby suspended. At the time fixed by or in accordance with law for any county treasurer's sale of seated or unseated lands during the year one thousand nine hundred and thirty-three, it shall be the duty of the county treasurer to declare such sale or sales adjourned until the time fixed by law for such sale or sales in the year one thousand nine hundred and thirty-four. Any such sale so adjourned may be readjourned in the year one thousand nine hundred and thirty-four in accordance with existing law.
72 P.S. § 5951a