Refunding
A transaction in which refunding bonds are issued and their proceeds are used to pay off outstanding bonds.
Bonds that are priced on a determined date but are not issued and settled until a date further in the future.
A transaction in which refunding bonds are issued and their proceeds are used to pay off outstanding bonds.

Rule outlined in Section 147(b) of the code that states private activity bonds are not tax-exempt bonds if the weighted average maturity of the bond issue exceeds 120% of the average reasonably expected economic useful life of the facilities financed with the bond proceeds.