(a) A bond, contract, lease, or other obligation requiring the payment of funds from the appropriations of a later fiscal year or of more than one fiscal year shall be made by ordinance and approved by voters.
(b) The Council may make supplemental and emergency appropriations. No payment may be authorized or made and no obligation incurred unless an appropriation has been made by ordinance.
(c) The Council may authorize contracts for construction improvements to be financed wholly or partly by the issuance of bonds.