Any tasks, functions or duties required to be performed in the offices of the prothonotary, clerk of the court of quarter sessions and of the court of oyer and terminer, clerk of county court, clerk of juvenile court, clerk of orphans' court, jury commissioners, register of wills, recorder of deeds, controller, treasurer, county surveyor, county engineer and the board of viewers, on Saturday, shall be valid if performed or transacted on the next succeeding secular or business day. The offices of such officials shall be closed on Saturdays except upon order of a court of record of the county or a judge thereof specifying tasks, functions or duties for which the offices shall remain open on Saturdays.
16 P.S. § 4313