Terms of bonds

All bonds issued under the provisions of KRS 67.450 to 67.550 may bear interest at a rate or rates or method of determining rates, payable at least annually, and shall be executed in a manner and be payable at times, not exceeding thirty (30) years from the date of issue, and at a place as the county buildings commission determines. The bonds shall be sold in a manner and upon the terms as the county buildings commission deems for its best interests.