Before entering upon his duties, the Manager shall make an oath of affirmation to support and defend the Constitution of the United States and of this State and to perform the duties of the office faithfully, honestly and to the best of the Manager's skill and judgment. This oath or affirmation must be before someone authorized to administer oaths and shall be filed with the City Recorder. Before entering upon the duties of the office, the Manager shall give a good and sufficient bond, payable to the City in such amount as may be prescribed by Council but not less than ten thousand dollars, conditioned upon the faithful performance of the Manager's duties, and with a corporate surety authorized to do business within the State; and such bond shall be filed with the City Recorder after being approved as to form and surety by a judge of the Circuit Court of Harrison County. The premium on such bond shall be payable by the City.