; or (2) a Federal law enforcement or a national security agency determines that complying with subsection (a) is impractical for Federal law enforcement or national security reasons or for purposes related to the administration of the Bank Secrecy Act. (c) Rule of construction Nothing in this section shall be construed as limiting the amount of a fine or the type of penalty that may be issued by any Federal or State entity with authority to issue a fine or penalty. (d) No rights Nothing in this section provides persons with any rights or privileges, including a private right of action or an affirmative defense, and no determination or failure to make a determination by any Federal entity or officer under this section shall be reviewable by a court of law. 207. Cooperation with law enforcement (a) Safe harbor with respect to keep open directives (1) In general (A) Amendment to title 31 Subchapter II of chapter 53 of title 31, United States Code, is amended by adding at the end the following: 5333. Safe harbor with respect to keep open directives (a) In general With respect to a customer account or customer transaction of a financial institution, if a Federal, State, Tribal, or local law enforcement agency requests, in writing, that the financial institution keep that account or transaction open— (1) the financial institution shall not be liable under this subchapter for maintaining that account or transaction consistent with the parameters of the request; and (2) no Federal or State department or agency may take any adverse supervisory action under this subchapter with respect to the financial institution for maintaining that account or transaction consistent with the parameters of the request. (b) Rule of construction Nothing in this section may be construed— (1) to prevent a Federal or State department or agency from verifying the validity of a written request described in subsection (a) with the Federal, State, Tribal, or local law enforcement agency making that written request