A petition may be filed for tariff adjustment or for a determination of eligibility to apply for adjustment assistance under title III of the Trade Expansion Act of 1962 [
19 U.S.C.
1901 et seq.] as though the reduction or elimination of a duty proclaimed by the President pursuant to section
2011 or
2012 of this title were a concession granted under a trade agreement referred to in section 301 of the Trade Expansion Act of 1962 [
19 U.S.C.
1901].