Senate committee substitute makes the following changes to 1st edition. Adds a new subsection (b) to GS 160A-321 to clarify that although a city is not required to submit the question to voters regarding the sale, lease, or discontinuance of (1) water treatment systems, (2) water distribution systems, or (3) wastewater collection and treatment systems (was, wastewater treatment systems), the city may choose to present the question to voters through a referendum (1st edition stated only that voter approval was not required). Makes organizational changes and makes a conforming change. Changes the effective date to January 1, 2012 (was, effective when the act becomes law).