In McElmurry v. U.S. Bank Nat'l Assn., ___ F.3d ___ (Aug. 8, 2007), the Ninth Circuit held that a district court order denying plaintiffs' motion to issue notice of a collective action under section 16(b) of the Fair Labor Standards Act (29 U.S.C. §216(b)) was not immediately appealable under the collateral order doctrine.