In addition to the authority set out in subsection (1) of Section 59-9-65, the board of supervisors of such county may issue general obligation bonds of such county in the additional maximum principal amount of five million dollars ($5,000,000.00), to provide funds for any purposes authorized by Sections 59-9-17 through 59-9-23. Such bonds shall be issued as provided in subsections (2), (3), (4) and (5) of Section 59-9-65, Section 59-9-73, and subsection (2) of Section 59-9-75.