Before entering upon the duties of their employment, the Mayor, the Director of Finance, the Purchasing Agent, the Judge of the Municipal Court and such other personnel of the City as Council may require so to do, shall give bond for the faithful performance of their duties, payable to the State of West Virginia in such amounts and with such corporate surety as may be approved by Council. Council may provide for obtaining a blanket bond covering all City employees, designating specific employees whose bond shall be in excess of the amount of the blanket bond. The premiums on such bond or bonds shall be paid by the City after it has been ascertained that the premiums are not in excess of the premium schedule filed by the bonding company with the Insurance Commissioner of West Virginia. All bonds shall be subject to approval of the City Attorney as to form and substance and, when so approved, shall be endorsed with his signature.