under this section beyond the 30-day period set forth in subparagraph (A) (referred to in this clause as subsequent delay ), the Federal Bureau of Investigation shall submit written justification for the subsequent delay to the Attorney General before the subsequent delay begins. (3) Law enforcement immunity No cause of action shall lie in any court against any Federal agency for acts relating to the delay of notification for national security or law enforcement purposes under this subtitle. (g) General exemption (1) In general A covered entity shall be exempt from the requirements under this section if, following a breach of security, the covered entity reasonably concludes that there is no reasonable risk of identity theft, fraud, or other unlawful conduct. (2) FTC guidance Not later than 1 year after the date of enactment of this Act, the Commission, after consultation with the Director of the National Institute of Standards and Technology, shall issue guidance regarding the application of the exemption under paragraph (1). (h) Exemptions for national security and law enforcement purposes (1) In general A covered entity shall be exempt from the notice requirements under this section if— (A) a determination is made— (i) by the United States Secret Service or the Federal Bureau of Investigation that notification of the breach of security could be reasonably expected to reveal sensitive sources and methods or similarly impede the ability of the Government to conduct law enforcement or intelligence investigations