Ky. Rev. Stat. § 56.523
The commission is hereby authorized to provide for the issuance of refunding bonds for the purpose of refunding any bonds outstanding that have been issued at any time under the provisions of KRS 56.520 or for the purpose of refunding any bonds outstanding that have been issued by agencies of the state under the provisions of KRS Chapter 58, including redemption premiums thereon and any interest accrued or to accrue to the date of redemption. The commission is further authorized to issue bonds for the combined purpose of refunding any bonds issued at any time under KRS 56.520 or by state agencies under KRS Chapter 58, including redemption premiums thereon and any interest accrued or to accrue to the date of redemption, and for paying the cost of extensions, improvements, betterments or additions to the project.
KRS 56.523