19 U.S.C. § 2021
General authority
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 ].
( Pub. L. 89–283, title III, § 301 , Oct. 21, 1965 , 79 Stat. 1018 .)