No bond of an officer or employee payable to the city shall be approved until the corporation counsel shall have certified thereon that such bond is properly executed as to form, and the comptroller shall have certified thereon that the sureties on such bond are of sufficient financial responsibility for the amount of the penalty of such bond.
The comptroller shall examine the sureties on such bond touching their sufficiency, and require such examinations to be reduced to writing and signed and sworn to by such sureties.
(Prior code § 25-18)