Complex sentence: If an application is denied by one judge of the FISC, the federal government is not allowed to make the same application to a different judge of the court, but must appeal to the United States Foreign Intelligence Surveillance Court of Review.
Split into simpler sentences: If an application is denied by one judge of the FISC, the federal government is not allowed to make the same application to a different judge of the FISC. Instead, denials must be appealed to the United States Foreign Intelligence Surveillance Court of Review.