It shall be the duty of the sheriff of the county of Philadelphia, on the first Monday of every month, to exhibit to the county treasurer, an account of all sums of money which he or his deputies may have received during the month, for or on account of the county, and pay over the same without deduction or abatement to the said treasurer. The said account to be verified by the oath or affirmation of the said sheriff and his deputy.
16 P.S. § 7585