Section 21-17-439 - Refunding and refunding bonds; conditions under which bonds may be refunded(a) No bonds may be refunded hereunder unless they have been outstanding for at least one (1) year from the date of their delivery and unless the holders thereof voluntarily surrender them for exchange or payment.(b) Repealed By Laws 2005, ch. 143, § 2.(c) The principal amount of the refunding bonds may exceed the principal amount of the refunded bonds if the aggregate principal and interest costs of the refunding bonds do not exceed the unaccrued costs of the bonds refunded, except to the extent any interest on the bonds refunded in arrears or about to become due is capitalized with the proceeds of the refunding bonds. Principal may also then be increased to that extent.(d) The principal amount of the refunding bonds may also be less than or the same as the principal amount of the bonds being refunded so long as provision is duly and sufficiently made for their payment.