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].

There are hereby authorized to be appropriated such sums as may be necessary from time to time to carry out the provisions of this subchapter, which sums are authorized to be appropriated to remain available until expended.