in accordance with section 330(d)(1) of the Tariff Act of 1930 ( 19 U.S.C. 1330(d)(1)(1) ), may extend the effective period of relief provided under this section by up to an additional 4 years, if the President determines that the provision of the relief continues to be necessary to remedy or prevent material harm. (B) Action by commission (i) Investigation Upon request of the President, or upon the filing by an interested party described in subparagraph (A), (B), or (C) of section 321(8) which is representative of a United States long-haul trucking services industry that is filed with the Commission not earlier than the date that is 270 days, and not later than the date that is 240 days, before the date on which any action taken under this section is to terminate, the Commission shall conduct an investigation to determine whether action under this section continues to be necessary to remedy or prevent material harm. (ii) Notice and hearing The Commission shall— (I) publish notice of the commencement of an investigation under clause (i) in the Federal Register