general A stay under this section may be granted for not more than 180 days. (ii) Extension (I) In general The Attorney General may petition the court for an extension of the stay for additional 180-day periods. (II) Recertification A court may grant an extension under subclause (I) if the Secretary of State recertifies that the United States remains engaged in good faith discussions with the foreign state defendant or any other defendant concerning the resolution of a claim against the foreign state or any official, employee, or agent of the foreign state, as to whom a stay of claims is sought. (d) Dismissal of actions following foreign state agreement (1) Intervention The Attorney General may intervene in any action in which a foreign state is subject to the jurisdiction of a court of the United States under this section for the purpose of seeking the dismissal of the case. (2) Dismissal with prejudice A court of the United States may dismiss with prejudice a proceeding under this section against a foreign state or any official, employee, or agent of the foreign state if the Secretary of State certifies that the United States and the foreign state have entered into an agreement with respect to the resolution of a claim against such a defendant, regardless of whether the plaintiff is a party to such agreement or consents to the dismissal. (e) Rule of construction A foreign state shall not be subject to the jurisdiction of the courts of the United States under this section on the basis of a tortious act or acts that constitute mere negligence. (f) Definition In this section, the term COVID–19 means the coronavirus disease 2019 (COVID–19). . (b) Exceptions to the immunity from attachment or execution Section 1610(g) of title 28, United States Code, is amended by inserting , 1605B, or 1605C after 1605A each place the term appears. (c) Technical and conforming amendments (1) Table of sections The table of sections for chapter 97 of title 28, United States Code, is amended by inserting after the item relating to