(a) In general. The Commission will make its determination with respect to injury within 120 days after the date on which the petition is filed, the request or resolution is received, or the motion is adopted, as the case may be, except that—

(1) If the Commission determines before the 100th day that the investigation is extraordinarily complicated, the Commission will make its determination within 150 days; or

(2) If critical circumstances are alleged, the Commission will make its determination within 120 days after completion of its investigation with respect to critical circumstances. The Commission will make its report to the President at the earliest practicable time, but not later than 180 days (240 days if critical circumstances are alleged) after the date on which the petition is filed, the request or resolution is received, or the motion is adopted, as the case may be.

(b) Perishable agricultural product. In the case of a request in a petition for provisional relief with respect to a perishable agricultural product that has been the subject of monitoring by the Commission, the Commission will report its determination and any finding to the President not later than 21 days after the date on which the request for provisional relief is received.

(c) Critical circumstances. If petitioner alleges the existence of critical circumstances in the petition, the Commission will report its determination regarding such allegation and any finding on or before the 60th day after such filing date.