11 Pa.C.S. § 11403: Receipt and payment of money.

(a) Payments.--The city treasurer shall receive all money payable to the city from the sources as council may assign. Upon request, the city treasurer shall issue a receipt to an individual making the payment. The city treasurer shall pay all documents authorizing payment duly countersigned.

(b) Duplicates.--All receipts for money received on behalf of the city by the city treasurer shall be numbered serially and made in duplicate. Not later than the next succeeding business day, the city treasurer shall transmit the duplicates to the city controller.