According to the EFF: Can I challenge an NSL in court? Yes. Since the statute was amended in 2006, an NSL recipient can petition a federal district court to m

According to the EFF: Can I challenge an NSL in court? Yes. Since the statute was amended in 2006, an NSL recipient can petition a federal district court to modify or set aside both requests for records and the gag orders that accompany such requests. There’s a good summary of the EFF’s challenges to the law here: https://www.eff.org/deeplinks/2016/04/disappointing-ruling-national-security-letters-not-last-word https://www.eff.org/deeplinks/2016/04/disappointing-ruling-n...