SECTION 31. BONDS OF SERGEANT AND TREASURER.
   The Council shall have the power to require and take from the sergeant and treasurer bonds, with sureties satisfactory to the Council, in such penalty as it may deem sufficient, except that as to the sergeant it shall not be for a penalty less than two thousand five hundred dollars; and said bond shall be conditioned for the true and faithful performance of his duties as sergeant, and for the collecting and accounting for and payment of the taxes, fines and other moneys of the Town which shall come into his hands, or which it shall be his duty to collect, at such times and to such persons as the Council may order.
   The Treasurer's bond shall be conditioned for the true and faithful performance of his duties as Treasurer, and that he will faithfully pay over and account for all moneys that shall come into his hands as Treasurer, when and as he shall be thereto required by the Council.