; or (ii) the date that is 180 days after the date that the Authority dismisses a charge described in subparagraph (A). (C) Notice A party filing a civil action under subparagraph (A) shall provide notice of such action to the Authority not later than the date of the filing of such action. (D) Jurisdiction and attorneys’ fees An appropriate district court of the United States in which a civil action under subparagraph (A) is filed shall have jurisdiction over such action without regard to the amount in controversy or the citizenship of the parties and may award reasonable attorneys’ fees. 5. Lockouts and employee strikes prohibited when emergency or public safety services imperiled (a) In general Subject to subsection (b), any employer, emergency services employee, or law enforcement officer subject to the rules and activities of the Authority under section 4 may not engage in a lockout, strike, or any other organized job action of which a reasonably probable result is a measurable disruption of the delivery of emergency or public safety services. No labor organization may cause or attempt to cause a violation of this subsection. (b) No preemption Nothing in this section shall be construed to preempt any law of any State or political subdivision of any State with respect to strikes by emergency services employees or law enforcement officers. 6. Existing collective bargaining units and agreements The enactment of this Act shall not invalidate any certification, recognition, result of an election, collective bargaining agreement, or memorandum of understanding that— (1) has been issued, approved, or ratified by any public employee relations board or commission, or by any State or political subdivision or an agent or management official of such State or political subdivision