15. 21-1641 Consider and Take Action on an Ordinance of the City Council of the City of Lewisville, Texas, Authorizing the Issuance and Sale of City of Lewisville, Texas, Waterworks and Sewer System Refunding and Improvement Revenue Bonds, Series 2021 in the Aggregate Principal Amount of Not to Exceed $17,400,000; Providing for the Security for and Payment of Said Bonds; Authorizing the Execution and Delivery of a Paying Agent/Registrar Agreement; Approving the Official Statement; and Enacting Other Provisions Relating Thereto.