§ 31.02 OATH; BOND.
   (A)   Before entering upon the duties of their respective offices, all village officers, whether elected or appointed, shall take and subscribe the following oath:
      I do solemnly swear that I will support the constitution of the United States, and the constitution of the state of Illinois, and that I will faithfully discharge the duties of the office of                according to the best of my ability.
   (B)   This oath, so subscribed, shall be filed in the office of the Clerk.
   (C)   Before entering upon the duties of their respective offices, all village officers, except Trustees, shall execute a bond with security, to be approved by the Board of Trustees. The bond shall be payable to the village in the penal sums set forth in Title XVII of this code, conditioned upon the faithful performance of the duties of the office and the payment of all money received by such officer, according to law and also the ordinances of the village. Such bond may provide that the obligation of the sureties shall not extend to any loss sustained by the insolvency, failure, or closing of any bank or savings and loan association organized and operating either under the laws of the state or the United States wherein such officer has placed funds in his custody, if the bank or savings and loan association has been approved by the Board of Trustees as a depository for these funds. The Treasurer’s bond shall be an amount of money that is not less than three times the latest federal census population or any subsequent census figure used for Motor Fuel Tax purposes. These bonds shall be filed with the Clerk, except the bond of the Clerk, which shall be filed with the Treasurer.
(ILCS Ch. 65, Act 5, § 3.1-10-25, 3.1-10-30)