General obligation bonds for refunding and general obligation bonds for any purpose authorized in this article may be issued separately or issued in combination in one series or more by any service authority. Revenue bonds for refunding and revenue bonds for any purpose authorized in this article may be issued separately or issued in combination in one series or more by any service authority.
Source: L. 72: p. 471, � 1. C.R.S. 1963: � 89-25-28.