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www.fdanews.com/articles/143377-fda-warning-letters-are-not-final-actions-court-rules

FDA Warning Letters Are Not Final Actions, Court Rules

January 20, 2012
The U.S. Court of Appeals for the District of Columbia has reaffirmed a lower court decision that FDA warning letters are not final agency actions, so companies cannot seek judicial review of them under the Administrative Procedures Act.
Washington Drug Letter