Borrowing. Except as prohibited by law, the Council shall have the power to borrow money by whatever method it may deem to be in the public interest.
General Obligation Bonds and Certificates of Obligation. The Council shall have the power to borrow money on the credit of the City and to issue general obligation bonds and certificates of obligation for permanent public improvements or for any other public purpose not prohibited by the Constitution and laws of the State of Texas, and to issue refunding bonds to refund outstanding bonds of the City previously issued. All such bonds or certificates of obligation shall be issued in conformity with the laws of the State of Texas and shall be used only for the purpose for which they were issued.
Revenue Bonds. The Council shall have the power to borrow money for the purpose of constructing, purchasing, improving, extending or repairing of public utilities, recreational facilities or any other self-liquidating municipal function not prohibited by the Constitution and laws of the State of Texas, and to issue revenue bonds to evidence the obligation created thereby. Such bonds shall be a charge upon the [and] payable from the properties, or interest therein pledged, or the income therefrom, or both. The holders of the revenue bonds shall never have the right to demand payment thereof out of monies raised or to be raised by taxation. All such bonds shall be issued in conformity with the laws of the State of Texas and shall be used only for the purpose for which issued.
Bonds Incontestable. All bonds of the City having been issued and sold and having been delivered to the purchaser thereof shall thereafter be incontestable. All refunding bonds issued in exchange for outstanding bonds previously issued shall and after said exchange be incontestable.
Ordinance Required. The procedure for adoption of any ordinance relative to borrowing for capital expenditures shall be:
(1) 
A copy of the proposed ordinance shall be furnished to: (1) each Councilman, (2) the City Attorney, and (3) any citizen of the City for inspection upon request to the City Secretary, at least three (3) days before the date of the meeting at which the ordinance is to be first considered.
(2) 
Any ordinance relative to borrowing for capital expenditures must follow the procedures stated in Section 3.16 before final passage.