Holding "[w]here a federal requirement permits a course of conduct and the state makes it obligatory, the state's requirement is in addition to the federal requirement and thus is pre-empted."
179 Cal.App.4th 949 (Cal. Ct. App. 2009) Cited 80 times
Holding "legislative purpose of former section 439, the predecessor of section 426.30 . . . was to provide for the settlement, in a single action, of all conflicting claims between the parties arising out of the same transaction" and to "avoid a multiplicity of actions"