Black Star Farms, et al. v. Oliver, 600 F.3d 1225 (9th Cir. 2010)

(plaintiff, Michigan winery, challenged Arizona statutes regulating direct shipment of wine from wineries as violating the dormant Commerce Clause by discriminating against out-of-state wineries; court disagreed, finding that existing exemptions to three-tier distribution system under certain circumstances which result in treating similarly situated in-state and out-of-state wineries the same and do not impose new impermissible burdens on out-of-state wineries and do not have the practical effect of favoring in state economic interests over out-of-state interests).