((a)) ** Authority to define terms** The Commodity Futures Trading Commission may adopt a rule to define—

((1)) the term “commercial risk”; and

((2)) any other term included in an amendment to the Commodity Exchange Act ( et seq.) made by this subtitle.

((b)) ** Modification of definitions** To include transactions and entities that have been structured to evade this subtitle (or an amendment made by this subtitle), the Commodity Futures Trading Commission shall adopt a rule to further define the terms “swap”, “swap dealer”, “major swap participant”, and “eligible contract participant”.