; or (B) in extraordinary cases, the filing of the case would cause serious harm to the national security of the United States. (4) Report If the Trade Representative does not commence dispute resolution procedures under paragraph (3) pursuant to an indictment under paragraph (3), the Trade Representative shall, not later than 30 days after receiving the indictment, submit to the Committee on Ways and Means of the House of Representatives and the Committee on Finance of the Senate a report containing the reasons therefor and shall publish notice of the decision, together with a summary of such reasons, in the Federal Register. (c) Action pursuant to joint resolution (1) In general If the Trade Representative does not commence dispute resolution procedures under subsection (b)(3) pursuant to an indictment under subsection (b)(2), then the Trade Representative shall commence dispute resolution procedures in the appropriate forum pursuant to the indictment upon the enactment pursuant to the requirements of paragraph (2) of a joint resolution described in paragraph (3). (2) Requirements (A) The requirements of this paragraph are met if the joint resolution is enacted under paragraph (3) and— (i) the Congress adopts and transmits the joint resolution to the President before the end of the 90-day period (excluding any day described in section 154(b) of the Trade Act of 1974), beginning on the date on which the Congressional Trade Enforcer submits the indictment under subsection (b)(2)