16 Pa. Stat. § 7566
All separate premiums charged or chargeable by any surety company or companies for becoming or remaining surety or sureties on the recognizances of sheriffs or coroners now in office for any period subsequent to the last day of December, one thousand nine hundred and thirty-eight or the proportionate part of any annual premium covering the period during which any existing sheriff or coroner remains in office, shall be paid out of the treasury of the proper county on warrants drawn by the sheriff or coroner or by the commissioners thereof in like manner as other expenses of his respective office are payable according to law. If any such premium or part thereof shall have been paid by any sheriff or coroner on account of any claim by any surety company or county that he was personally liable for same, the county shall reimburse him for such expenditure in the manner aforesaid upon satisfactory proof of same. This section is intended to apply to all premiums which may accrue for corporate suretyships on existing sheriffs' or coroners' recognizances pending the release of the surety or sureties from further liability on such recognizances, in the manner aforesaid.
16 P.S. § 7566