(a) A political subdivision aggregator may not provide aggregation services in the state unless the political subdivision aggregator registers with the commission.
(b) In this section, "political subdivision aggregator" means a person or political subdivision corporation authorized by two or more political subdivision governing bodies to join the bodies into a single purchasing unit or multiple purchasing units to negotiate the purchase of electricity from retail electric providers for the facilities of the aggregated political subdivisions or aggregation by a person or political subdivision under Chapter 304, Local Government Code.
(c) A political subdivision aggregator may register any time after September 1, 2000.